Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43 |
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#
15fa3e8e |
| 02-Aug-2023 |
Matthew Wilcox (Oracle) <willy@infradead.org> |
mips: implement the new page table range API
Rename _PFN_SHIFT to PFN_PTE_SHIFT. Convert a few places to call set_pte() instead of set_pte_at(). Add set_ptes(), update_mmu_cache_range(), flush_ica
mips: implement the new page table range API
Rename _PFN_SHIFT to PFN_PTE_SHIFT. Convert a few places to call set_pte() instead of set_pte_at(). Add set_ptes(), update_mmu_cache_range(), flush_icache_pages() and flush_dcache_folio(). Change the PG_arch_1 (aka PG_dcache_dirty) flag from being per-page to per-folio.
Link: https://lkml.kernel.org/r/20230802151406.3735276-18-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Revision tags: v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16, v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6 |
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#
83d3b2b4 |
| 13-Jan-2023 |
David Hildenbrand <david@redhat.com> |
mips/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE.
On 64bit, steal one bit from the type. Generic MM currently only uses 5 bits for the type (MAX_SWAPFILES
mips/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE.
On 64bit, steal one bit from the type. Generic MM currently only uses 5 bits for the type (MAX_SWAPFILES_SHIFT), so the stolen bit is effectively unused.
On 32bit we're able to locate unused bits. As the PTE layout for 32 bit is very confusing, document it a bit better.
While at it, mask the type in __swp_entry()/mk_swap_pte().
Link: https://lkml.kernel.org/r/20230113171026.582290-13-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Revision tags: v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6 |
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#
22c4e804 |
| 27-Oct-2022 |
Feiyang Chen <chenfeiyang@loongson.cn> |
MIPS&LoongArch&NIOS2: adjust prototypes of p?d_init()
Patch series "mm/sparse-vmemmap: Generalise helpers and enable for LoongArch", v14.
This series is in order to enable sparse-vmemmap for LoongA
MIPS&LoongArch&NIOS2: adjust prototypes of p?d_init()
Patch series "mm/sparse-vmemmap: Generalise helpers and enable for LoongArch", v14.
This series is in order to enable sparse-vmemmap for LoongArch. But LoongArch cannot use generic helpers directly because MIPS&LoongArch need to call pgd_init()/pud_init()/pmd_init() when populating page tables. So we adjust the prototypes of p?d_init() to make generic helpers can call them, then enable sparse-vmemmap with generic helpers, and to be further, generalise vmemmap_populate_hugepages() for ARM64, X86 and LoongArch.
This patch (of 4):
We are preparing to add sparse vmemmap support to LoongArch. MIPS and LoongArch need to call pgd_init()/pud_init()/pmd_init() when populating page tables, so adjust their prototypes to make generic helpers can call them.
NIOS2 declares pmd_init() but doesn't use, just remove it to avoid build errors.
Link: https://lkml.kernel.org/r/20221027125253.3458989-1-chenhuacai@loongson.cn Link: https://lkml.kernel.org/r/20221027125253.3458989-2-chenhuacai@loongson.cn Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Will Deacon <will@kernel.org> Cc: Xuefeng Li <lixuefeng@loongson.cn> Cc: Xuerui Wang <kernel@xen0n.name> Cc: Min Zhou <zhoumin@loongson.cn> Cc: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Revision tags: v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53 |
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#
bb5af4f6 |
| 03-Jul-2022 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: rename PGD_ORDER to PGD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PGD.
While at it remove unused defintion of _PGD_ORDER in asm-offsets.
Link: https://lk
mips: rename PGD_ORDER to PGD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PGD.
While at it remove unused defintion of _PGD_ORDER in asm-offsets.
Link: https://lkml.kernel.org/r/20220703141203.147893-7-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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#
6963c72d |
| 03-Jul-2022 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: drop definitions of PTE_ORDER
This is the order of the page table allocation, not the order of a PTE. Since its always hardwired to 0, simply drop it.
Link: https://lkml.kernel.org/r/2022070
mips: drop definitions of PTE_ORDER
This is the order of the page table allocation, not the order of a PTE. Since its always hardwired to 0, simply drop it.
Link: https://lkml.kernel.org/r/20220703141203.147893-6-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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#
8e20a4de |
| 03-Jul-2022 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: rename PUD_ORDER to PUD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PUD.
Link: https://lkml.kernel.org/r/20220703141203.147893-5-rppt@kernel.org Signed-off-
mips: rename PUD_ORDER to PUD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PUD.
Link: https://lkml.kernel.org/r/20220703141203.147893-5-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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#
c94b14bd |
| 03-Jul-2022 |
Matthew Wilcox (Oracle) <willy@infradead.org> |
mips: rename PMD_ORDER to PMD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PMD.
While at it remove unused defintion of _PMD_ORDER in asm-offsets.
Link: https://lk
mips: rename PMD_ORDER to PMD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PMD.
While at it remove unused defintion of _PMD_ORDER in asm-offsets.
Link: https://lkml.kernel.org/r/20220703141203.147893-4-rppt@kernel.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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#
d3164e2f |
| 05-Jul-2022 |
Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
MIPS: Remove VR41xx support
No (active) developer owns this hardware, so let's remove Linux support.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Revision tags: v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49 |
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#
dc4875f0 |
| 07-Jul-2021 |
Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> |
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
No functional change in this patch.
[aneesh.kumar@linux.ibm.com: m68k build error reported by kernel robot] Link: https://lkml.
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
No functional change in this patch.
[aneesh.kumar@linux.ibm.com: m68k build error reported by kernel robot] Link: https://lkml.kernel.org/r/87tulxnb2v.fsf@linux.ibm.com
Link: https://lkml.kernel.org/r/20210615110859.320299-2-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
9cf6fa24 |
| 07-Jul-2021 |
Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> |
mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
No functional change in this patch.
[aneesh.kumar@linux.ibm.com: fix] Link: https://lkml.kernel.org/r/87wnqtnb60.fsf@linux.ibm.
mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
No functional change in this patch.
[aneesh.kumar@linux.ibm.com: fix] Link: https://lkml.kernel.org/r/87wnqtnb60.fsf@linux.ibm.com [sfr@canb.auug.org.au: another fix] Link: https://lkml.kernel.org/r/20210619134410.89559-1-aneesh.kumar@linux.ibm.com
Link: https://lkml.kernel.org/r/20210615110859.320299-1-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
fac7757e |
| 30-Jun-2021 |
Anshuman Khandual <anshuman.khandual@arm.com> |
mm: define default value for FIRST_USER_ADDRESS
Currently most platforms define FIRST_USER_ADDRESS as 0UL duplication the same code all over. Instead just define a generic default value (i.e 0UL) f
mm: define default value for FIRST_USER_ADDRESS
Currently most platforms define FIRST_USER_ADDRESS as 0UL duplication the same code all over. Instead just define a generic default value (i.e 0UL) for FIRST_USER_ADDRESS and let the platforms override when required. This makes it much cleaner with reduced code.
The default FIRST_USER_ADDRESS here would be skipped in <linux/pgtable.h> when the given platform overrides its value via <asm/pgtable.h>.
Link: https://lkml.kernel.org/r/1620615725-24623-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Guo Ren <guoren@kernel.org> [csky] Acked-by: Stafford Horne <shorne@gmail.com> [openrisc] Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> [RISC-V] Cc: Richard Henderson <rth@twiddle.net> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Brian Cain <bcain@codeaurora.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2 |
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#
974b9b2c |
| 08-Jun-2020 |
Mike Rapoport <rppt@linux.ibm.com> |
mm: consolidate pte_index() and pte_offset_*() definitions
All architectures define pte_index() as
(address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)
and all architectures define pte_offset_kernel() as
mm: consolidate pte_index() and pte_offset_*() definitions
All architectures define pte_index() as
(address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)
and all architectures define pte_offset_kernel() as an entry in the array of PTEs indexed by the pte_index().
For the most architectures the pte_offset_kernel() implementation relies on the availability of pmd_page_vaddr() that converts a PMD entry value to the virtual address of the page containing PTEs array.
Let's move x86 definitions of the PTE accessors to the generic place in <linux/pgtable.h> and then simply drop the respective definitions from the other architectures.
The architectures that didn't provide pmd_page_vaddr() are updated to have that defined.
The generic implementation of pte_offset_kernel() can be overridden by an architecture and alpha makes use of this because it has special ordering requirements for its version of pte_offset_kernel().
[rppt@linux.ibm.com: v2] Link: http://lkml.kernel.org/r/20200514170327.31389-11-rppt@kernel.org [rppt@linux.ibm.com: update] Link: http://lkml.kernel.org/r/20200514170327.31389-12-rppt@kernel.org [rppt@linux.ibm.com: update] Link: http://lkml.kernel.org/r/20200514170327.31389-13-rppt@kernel.org [akpm@linux-foundation.org: fix x86 warning] [sfr@canb.auug.org.au: fix powerpc build] Link: http://lkml.kernel.org/r/20200607153443.GB738695@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-10-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30 |
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#
3fbfb458 |
| 02-Apr-2020 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: define pud_index() regardless of page table folding
Commit 31168f033e37 ("mips: drop __pXd_offset() macros that duplicate pXd_index() ones") is correct that pud_index() & __pud_offset() are th
mips: define pud_index() regardless of page table folding
Commit 31168f033e37 ("mips: drop __pXd_offset() macros that duplicate pXd_index() ones") is correct that pud_index() & __pud_offset() are the same when pud_index() is actually provided, however it does not take into account the __PAGETABLE_PUD_FOLDED case. This has broken MIPS KVM compilation because it relied on availability of pud_index().
Define pud_index() regardless of page table folded. It will evaluate to actual index for 4-level pagetables and to 0 for folded PUD level.
Link: https://lore.kernel.org/lkml/20200331154749.5457-1-pbonzini@redhat.com Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Tested-by: Huacai Chen <chenhc@lemote.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Revision tags: v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13 |
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#
2bee1b58 |
| 21-Nov-2019 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: add support for folded p4d page tables
Implement primitives necessary for the 4th level folding, add walks of p4d level where appropriate, replace 5leve-fixup.h with pgtable-nop4d.h and drop u
mips: add support for folded p4d page tables
Implement primitives necessary for the 4th level folding, add walks of p4d level where appropriate, replace 5leve-fixup.h with pgtable-nop4d.h and drop usage of __ARCH_USE_5LEVEL_HACK.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Mike Rapoport <rppt@kernel.org>
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#
31168f03 |
| 21-Nov-2019 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: drop __pXd_offset() macros that duplicate pXd_index() ones
The __pXd_offset() macros are identical to the pXd_index() macros and there is no point to keep both of them. All architectures defin
mips: drop __pXd_offset() macros that duplicate pXd_index() ones
The __pXd_offset() macros are identical to the pXd_index() macros and there is no point to keep both of them. All architectures define and use pXd_index() so let's keep only those to make mips consistent with the rest of the kernel.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Mike Rapoport <rppt@kernel.org>
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#
3ed6751b |
| 21-Nov-2019 |
Mike Rapoport <rppt@linux.ibm.com> |
mips: fix build when "48 bits virtual memory" is enabled
With CONFIG_MIPS_VA_BITS_48=y the build fails miserably:
CC arch/mips/kernel/asm-offsets.s In file included from arch/mips/include/as
mips: fix build when "48 bits virtual memory" is enabled
With CONFIG_MIPS_VA_BITS_48=y the build fails miserably:
CC arch/mips/kernel/asm-offsets.s In file included from arch/mips/include/asm/pgtable.h:644, from include/linux/mm.h:99, from arch/mips/kernel/asm-offsets.c:15: include/asm-generic/pgtable.h:16:2: error: #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED ^~~~~ include/asm-generic/pgtable.h:390:28: error: unknown type name 'p4d_t'; did you mean 'pmd_t'? static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b) ^~~~~ pmd_t
[ ... more such errors ... ]
scripts/Makefile.build:99: recipe for target 'arch/mips/kernel/asm-offsets.s' failed make[2]: *** [arch/mips/kernel/asm-offsets.s] Error 1
This happens because when CONFIG_MIPS_VA_BITS_48 enables 4th level of the page tables, but neither pgtable-nop4d.h nor 5level-fixup.h are included to cope with the 5th level.
Replace #ifdef conditions around includes of the pgtable-nop{m,u}d.h with explicit CONFIG_PGTABLE_LEVELS and add include of 5level-fixup.h for the case when CONFIG_PGTABLE_LEVELS==4
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Mike Rapoport <rppt@kernel.org>
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Revision tags: v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3 |
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#
92aa0718 |
| 15-Nov-2018 |
Huacai Chen <chenhc@lemote.com> |
MIPS: Ensure pmd_present() returns false after pmd_mknotpresent()
This patch is borrowed from ARM64 to ensure pmd_present() returns false after pmd_mknotpresent(). This is needed for THP.
Reference
MIPS: Ensure pmd_present() returns false after pmd_mknotpresent()
This patch is borrowed from ARM64 to ensure pmd_present() returns false after pmd_mknotpresent(). This is needed for THP.
References: 5bb1cc0ff9a6 ("arm64: Ensure pmd_present() returns false after pmd_mknotpresent()") Reviewed-by: James Hogan <jhogan@kernel.org> Signed-off-by: Huacai Chen <chenhc@lemote.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/21135/ Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <james.hogan@mips.com> Cc: Steven J . Hill <Steven.Hill@cavium.com> Cc: linux-mips@linux-mips.org Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: <stable@vger.kernel.org> # 3.8+
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Revision tags: v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17, v4.16, v4.15, v4.13.16 |
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#
8745808f |
| 15-Nov-2017 |
Michal Hocko <mhocko@suse.com> |
mm, arch: remove empty_bad_page*
empty_bad_page() and empty_bad_pte_table() seem to be relics from old days which is not used by any code for a long time. I have tried to find when exactly but this
mm, arch: remove empty_bad_page*
empty_bad_page() and empty_bad_pte_table() seem to be relics from old days which is not used by any code for a long time. I have tried to find when exactly but this is not really all that straightforward due to many code movements - traces disappear around 2.4 times.
Anyway no code really references neither empty_bad_page nor empty_bad_pte_table. We only allocate the storage which is not used by anybody so remove them.
Link: http://lkml.kernel.org/r/20171004150045.30755-1-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Acked-by: Ralf Baechle <ralf@linus-mips.org> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: David Howells <dhowells@redhat.com> Cc: Rich Felker <dalias@libc.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v4.14, v4.13.5, v4.13, v4.12, v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10 |
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#
3377e227 |
| 16-Feb-2017 |
Alex Belits <alex.belits@cavium.com> |
MIPS: Add 48-bit VA space (and 4-level page tables) for 4K pages.
Some users must have 4K pages while needing a 48-bit VA space size. The cleanest way do do this is to go to a 4-level page table for
MIPS: Add 48-bit VA space (and 4-level page tables) for 4K pages.
Some users must have 4K pages while needing a 48-bit VA space size. The cleanest way do do this is to go to a 4-level page table for this case. Each page table level using order-0 pages adds 9 bits to the VA size (at 4K pages, so for four levels we get 9 * 4 + 12 == 48-bits.
For the 4K page size case only we add support functions for the PUD level of the page table tree, also the TLB exception handlers get an extra level of tree walk.
[david.daney@cavium.com: Forward port to v4.10.] [david.daney@cavium.com: Forward port to v4.11.]
Signed-off-by: Alex Belits <alex.belits@cavium.com> Signed-off-by: David Daney <david.daney@cavium.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Alex Belits <alex.belits@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15312/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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#
9849a569 |
| 09-Mar-2017 |
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> |
arch, mm: convert all architectures to use 5level-fixup.h
If an architecture uses 4level-fixup.h we don't need to do anything as it includes 5level-fixup.h.
If an architecture uses pgtable-nop*d.h,
arch, mm: convert all architectures to use 5level-fixup.h
If an architecture uses 4level-fixup.h we don't need to do anything as it includes 5level-fixup.h.
If an architecture uses pgtable-nop*d.h, define __ARCH_USE_5LEVEL_HACK before inclusion of the header. It makes asm-generic code to use 5level-fixup.h.
If an architecture has 4-level paging or folds levels on its own, include 5level-fixup.h directly.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1, v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6, v4.1-rc5, v4.1-rc4 |
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#
1e321fa9 |
| 14-May-2015 |
Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> |
MIPS64: Support of at least 48 bits of SEGBITS
SEGBITS is 40 bits or more, depending on CPU type. Introduces optional support for 48 bits of application virtual address space. Only 16K and 64K pag
MIPS64: Support of at least 48 bits of SEGBITS
SEGBITS is 40 bits or more, depending on CPU type. Introduces optional support for 48 bits of application virtual address space. Only 16K and 64K pages are supported.
Enabling will result in a memory overhead of a small number of pages for small applications. For 64K pages a 3rd level of page tables is required which has some impact during software TLB refill.
[ralf@linux-mips.org: Fixed things raised in the review of the version posted and changed kconfig to be a bit more userfriendly.]
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Cc: aleksey.makarov@auriga.com Cc: james.hogan@imgtec.com Cc: paul.burton@imgtec.com Cc: david.daney@cavium.com Cc: peterz@infradead.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: davidlohr@hp.com Cc: kirill@shutemov.name Cc: akpm@linux-foundation.org Cc: mingo@kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10051/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Revision tags: v4.1-rc3, v4.1-rc2, v4.1-rc1, v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3, v4.0-rc2 |
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#
5ae03b12 |
| 24-Feb-2015 |
David Daney <david.daney@cavium.com> |
MIPS: Expand __swp_offset() to carry 40 significant bits for 64-bit kernel.
With CONFIG_MIGRATION, the PFN of the migrating pages is stored in __swp_offset(), so we must have enough bits to store th
MIPS: Expand __swp_offset() to carry 40 significant bits for 64-bit kernel.
With CONFIG_MIGRATION, the PFN of the migrating pages is stored in __swp_offset(), so we must have enough bits to store the largest possible PFN. OCTEON NUMA systems have 41 bits of physical address space, so with 4K pages (12-bits), we need at least 29 bits to store the PFN.
The current width of 24-bits is too narrow, so expand it all the way out to 40-bits. This leaves the low order 16 bits as zero which does not interfere with any of the PTE bits.
Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9315/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Revision tags: v4.0-rc1 |
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#
b32da82e |
| 10-Feb-2015 |
Kirill A. Shutemov <kirill@shutemov.name> |
mips: drop _PAGE_FILE and pte_file()-related helpers
We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov
mips: drop _PAGE_FILE and pte_file()-related helpers
We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3, v3.19-rc2, v3.19-rc1, v3.18, v3.18-rc7, v3.18-rc6, v3.18-rc5, v3.18-rc4, v3.18-rc3, v3.18-rc2, v3.18-rc1, v3.17, v3.17-rc7, v3.17-rc6, v3.17-rc5, v3.17-rc4, v3.17-rc3, v3.17-rc2, v3.17-rc1, v3.16, v3.16-rc7, v3.16-rc6, v3.16-rc5, v3.16-rc4, v3.16-rc3, v3.16-rc2, v3.16-rc1, v3.15, v3.15-rc8, v3.15-rc7, v3.15-rc6, v3.15-rc5, v3.15-rc4, v3.15-rc3, v3.15-rc2, v3.15-rc1, v3.14, v3.14-rc8, v3.14-rc7, v3.14-rc6, v3.14-rc5, v3.14-rc4, v3.14-rc3, v3.14-rc2, v3.14-rc1, v3.13, v3.13-rc8, v3.13-rc7, v3.13-rc6, v3.13-rc5, v3.13-rc4, v3.13-rc3, v3.13-rc2, v3.13-rc1, v3.12, v3.12-rc7, v3.12-rc6, v3.12-rc5, v3.12-rc4, v3.12-rc3, v3.12-rc2, v3.12-rc1, v3.11, v3.11-rc7, v3.11-rc6, v3.11-rc5, v3.11-rc4, v3.11-rc3, v3.11-rc2, v3.11-rc1, v3.10, v3.10-rc7, v3.10-rc6, v3.10-rc5, v3.10-rc4, v3.10-rc3, v3.10-rc2, v3.10-rc1, v3.9, v3.9-rc8, v3.9-rc7, v3.9-rc6, v3.9-rc5, v3.9-rc4, v3.9-rc3, v3.9-rc2, v3.9-rc1, v3.8, v3.8-rc7, v3.8-rc6, v3.8-rc5 |
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70342287 |
| 22-Jan-2013 |
Ralf Baechle <ralf@linux-mips.org> |
MIPS: Whitespace cleanup.
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever.
Signed-off-b
MIPS: Whitespace cleanup.
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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86ea9c51 |
| 18-Jan-2013 |
David Daney <david.daney@cavium.com> |
MIPS: Fix build failure by adding definition of pfn_pmd().
With CONFIG_TRANSPARENT_HUGEPAGE=y and CONFIG_HUGETLBFS=y we get the following build failure:
CC mm/huge_memory.o mm/huge_memory.c:
MIPS: Fix build failure by adding definition of pfn_pmd().
With CONFIG_TRANSPARENT_HUGEPAGE=y and CONFIG_HUGETLBFS=y we get the following build failure:
CC mm/huge_memory.o mm/huge_memory.c: In function 'set_huge_zero_page': mm/huge_memory.c:780:2: error: implicit declaration of function 'pfn_pmd' [-Werror=implicit-function-declaration] mm/huge_memory.c:780:8: error: incompatible types when assigning to type 'pmd_t' from type 'int'
Add a definition of pfn_pmd() for 64-bit kernels (the only place huge pages are currently supported).
Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4813/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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