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/openbmc/linux/arch/um/kernel/
H A Dtlb.c27 } mmap; member
74 op->u.mmap.len, op->u.mmap.prot, in do_ops()
75 op->u.mmap.fd, in do_ops()
76 op->u.mmap.offset, finished, in do_ops()
79 map_memory(op->u.mmap.addr, op->u.mmap.offset, in do_ops()
80 op->u.mmap.len, 1, 1, 1); in do_ops()
135 (last->u.mmap.addr + last->u.mmap.len == virt) && in add_mmap()
136 (last->u.mmap.prot == prot) && (last->u.mmap.fd == fd) && in add_mmap()
137 (last->u.mmap.offset + last->u.mmap.len == offset)) { in add_mmap()
138 last->u.mmap.len += len; in add_mmap()
[all …]
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-extended/libx86-1/libx86-1.1/
H A Dlibx86-mmap-offset.patch78 m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE,
85 perror("mmap /dev/zero");
149 - m = mmap((void *)0, 0x502,
152 + m = mmap(offset, 0x502,
159 perror("mmap /dev/mem");
164 - m = mmap((void *)0xa0000, 0x100000 - 0xa0000,
165 + m = mmap(offset+0xa0000, 0x100000 - 0xa0000,
174 perror("mmap /dev/mem");
/openbmc/openbmc/poky/meta/recipes-devtools/qemu/qemu/
H A D0009-Define-MAP_SYNC-and-MAP_SHARED_VALIDATE-on-needed-li.patch18 util/mmap-alloc.c | 10 +++++++---
21 Index: qemu-8.0.0/util/mmap-alloc.c
23 --- qemu-8.0.0.orig/util/mmap-alloc.c
24 +++ qemu-8.0.0/util/mmap-alloc.c
44 #include "qemu/mmap-alloc.h"
H A D0006-qemu-Add-some-user-space-mmap-tweaks-to-address-musl.patch4 Subject: [PATCH 06/12] qemu: Add some user space mmap tweaks to address musl
23 linux-user/mmap.c | 10 +++++++---
26 Index: qemu-8.0.0/linux-user/mmap.c
28 --- qemu-8.0.0.orig/linux-user/mmap.c
29 +++ qemu-8.0.0/linux-user/mmap.c
/openbmc/openbmc/poky/meta/recipes-support/apr/apr/
H A D0001-configure-Remove-runtime-test-for-mmap-that-can-map-.patch4 Subject: [PATCH] configure: Remove runtime test for mmap that can map
22 @@ -1303,36 +1303,6 @@ AC_CHECK_FUNCS([mmap munmap shm_open shm_unlink shmget shmat shmdt shmctl \
26 -# Not all systems can mmap /dev/zero (such as HP-UX). Check for that.
29 - AC_CACHE_CHECK([for mmap that can map /dev/zero],
45 - m = mmap(0, sizeof(void*), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
/openbmc/linux/Documentation/translations/zh_CN/mm/
H A Dhugetlbfs_reserv.rst22 持后不久，人们决定，在mmap()时检测巨页的短缺情况会更好。这个想法是，如果
23 没有足够的巨页来覆盖映射，mmap()将失败。这首先是在mmap()时在代码中做一个
25 样，代码随着时间的推移而不断发展。然而，基本的想法是在mmap()时 “预留”
85 留映射是在创建映射（mmap(MAP_PRIVATE)）时创建的。
93 当创建一个巨大的有页面支持的共享内存段（shmget(SHM_HUGETLB)）或通过mmap(MAP_HUGETLB)
101 hugetlb_reserve_pages()做的第一件事是检查在调用shmget()或mmap()时是否指定了NORESERVE
105 的长度。对于mmap()，offset参数可以用来指定进入底层文件的偏移量。在这种情况下，'from'和'to'
H A Dovercommit-accounting.rst45 你 **必须** 为你认为你需要的最大尺寸的堆栈进行mmap。对于典型的堆栈使用来说，这并
67 | 通过mmap制作可写副本的页面
73 * 我们核算mmap内存映射
/openbmc/linux/Documentation/userspace-api/media/dvb/
H A Ddmx-mmap.rst4 .. _dmx-mmap:
7 Digital TV mmap()
13 dmx-mmap - Map device memory into application address space
25 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
33 multiple of the pagesize and mmap will fail when the specified
56 :c:func:`mmap()` will fail. If ``MAP_FIXED`` is specified,
80 The :c:func:`mmap()` function asks to map ``length`` bytes starting at
94 On success :c:func:`mmap()` returns a pointer to the mapped buffer. On
H A Ddmx-munmap.rst32 :c:func:`mmap()` function.
36 :c:func:`mmap()`.
41 Unmaps a previously with the :c:func:`mmap()` function mapped
/openbmc/linux/tools/testing/selftests/mm/
H A Dmadv_populate.c35 addr = mmap(0, pagesize, PROT_READ | PROT_WRITE, in sense_support()
58 addr = mmap(0, SIZE, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); in test_prot_read()
79 addr = mmap(0, SIZE, PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); in test_prot_write()
100 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_holes()
170 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_populate_read()
192 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_populate_write()
242 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_softdirty()
H A Dhugetlb-madvise.c115 addr = mmap(NULL, (NR_HUGE_PAGES + 2) * huge_page_size, in main()
157 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
195 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
225 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
284 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
324 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
336 addr2 = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
H A Dhugepage-mremap.c87 addr = mmap(NULL, len, PROT_READ | PROT_WRITE, in register_region_with_uffd()
133 void *haddr = mmap((void *)suggested_addr, length, PROTECTION, in main()
143 void *daddr = mmap((void *)suggested_addr, length, PROTECTION, in main()
153 mmap((void *)suggested_addr, length, PROTECTION, FLAGS, -1, 0); in main()
H A Dvirtual_address_range.c94 ptr = mmap((void *) (1UL << 45), MAP_CHUNK_SIZE, PROT_READ | in validate_lower_address_hint()
111 ptr[i] = mmap(NULL, MAP_CHUNK_SIZE, PROT_READ | PROT_WRITE, in main()
130 hptr[i] = mmap(hint, MAP_CHUNK_SIZE, PROT_READ | PROT_WRITE, in main()
H A Dsoft-dirty.c52 map = mmap(NULL, pagesize, (PROT_READ | PROT_WRITE), (MAP_PRIVATE | MAP_ANON), -1, 0); in test_vma_reuse()
63 map2 = mmap(NULL, pagesize, (PROT_READ | PROT_WRITE), (MAP_PRIVATE | MAP_ANON), -1, 0); in test_vma_reuse()
135 map = mmap(NULL, pagesize, PROT_READ|PROT_WRITE, in test_mprotect()
147 map = mmap(NULL, pagesize, PROT_READ|PROT_WRITE, in test_mprotect()
/openbmc/linux/Documentation/arch/ia64/
H A Daliasing.rst96 mmap of /dev/mem
111 mmap of /sys/class/pci_bus/.../legacy_mem
114 This is very similar to mmap of /dev/mem, except that legacy_mem
115 only allows mmap of the one megabyte "legacy MMIO" area for a
124 The /dev/mem mmap constraints apply.
126 mmap of /proc/bus/pci/.../??.?
129 This is an MMIO mmap of PCI functions, which additionally may or
175 mmap of various MMIO regions from /dev/mem by "X" on Intel platforms
181 when the EFI memory map is incomplete, every /dev/mem mmap must
185 mmap of 0x0-0x9FFFF /dev/mem by "hwinfo" on HP sx1000 with VGA enabled
[all …]
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-support/gperftools/gperftools/
H A D0001-src-mmap_hook.cc-Fix-build-for-32bit-machine.patch13 remove mmap() and mmap64() to fix the redefined error.
26 @@ -302,30 +302,8 @@ void* mmap(void* start, size_t length, int prot, int flags, int fd, off_t off)…
32 -// 64-bit and mmap being 32-bit.
38 -extern "C" void* mmap(void* start, size_t length, int prot, int flags, int fd, off_t off)
41 -void* mmap(void *start, size_t length, int prot, int flags, int fd, off_t off) __THROW {
/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dfunc-mmap.rst4 .. _func-mmap:
7 V4L2 mmap()
13 v4l2-mmap - Map device memory into application address space
23 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
31 multiple of the pagesize and mmap will fail when the specified
55 :c:func:`mmap()` function fails.
71 :c:func:`mmap()` will fail. If ``MAP_FIXED`` is specified,
101 The :c:func:`mmap()` function asks to map ``length`` bytes starting at
116 On success :c:func:`mmap()` returns a pointer to the mapped buffer. On
H A Dfunc-munmap.rst30 :c:func:`mmap()` function.
34 :c:func:`mmap()` and returned by the driver in the struct
43 Unmaps a previously with the :c:func:`mmap()` function mapped
/openbmc/qemu/tests/multiboot/
H A DMakefile12 all: mmap.elf modules.elf $(AOUT_KLUDGE_BIN)
14 mmap.elf: start.o mmap.o libc.o link.ld
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-devtools/php/php/
H A D0001-ext-opcache-config.m4-enable-opcache.patch107 AC_MSG_CHECKING(for mmap() using MAP_ANON shared memory support)
129 - shm = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
165 - AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
167 + AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
172 AC_MSG_CHECKING(for mmap() using shm_open() shared memory support)
209 - shm = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
238 - AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM support])
242 + AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM support])
/openbmc/qemu/hw/vfio/
H A Dhelpers.c391 munmap(region->mmaps[index].mmap, region->mmaps[index].size); in vfio_subregion_unmap()
393 region->mmaps[index].mmap = NULL; in vfio_subregion_unmap()
409 region->mmaps[i].mmap = mmap(NULL, region->mmaps[i].size, prot, in vfio_region_mmap()
413 if (region->mmaps[i].mmap == MAP_FAILED) { in vfio_region_mmap()
423 region->mmaps[i].mmap = NULL; in vfio_region_mmap()
437 region->mmaps[i].mmap); in vfio_region_mmap()
460 if (region->mmaps[i].mmap) { in vfio_region_unmap()
475 if (region->mmaps[i].mmap) { in vfio_region_exit()
492 if (region->mmaps[i].mmap) { in vfio_region_finalize()
493 munmap(region->mmaps[i].mmap, region->mmaps[i].size); in vfio_region_finalize()
[all …]
/openbmc/bios-bmc-smm-error-logger/src/
H A Dpci_handler.cpp22 mmap(stdplus::fd::MMap( in PciDataHandler()
44 std::memcpy(results.data(), mmap.get().data() + offset, finalLength); in read()
64 std::memcpy(mmap.get().data() + offset, bytes.data(), finalLength); in write()
/openbmc/linux/tools/testing/selftests/bpf/prog_tests/
H A Dringbuf.c107 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0); in ringbuf_subtest()
116 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size); in ringbuf_subtest()
122 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
126 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 3 * page_size); in ringbuf_subtest()
128 mmap_ptr = mmap(NULL, 2 * page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
132 mmap_ptr = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED, rb_fd, 0); in ringbuf_subtest()
142 mmap_ptr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rb_fd, page_size); in ringbuf_subtest()
/openbmc/linux/Documentation/arch/arm/
H A Duefi.rst57 linux,uefi-mmap-start 64-bit Physical address of the UEFI memory map,
60 linux,uefi-mmap-size 32-bit Size in bytes of the UEFI memory map
63 linux,uefi-mmap-desc-size 32-bit Size in bytes of each entry in the UEFI
66 linux,uefi-mmap-desc-ver 32-bit Version of the mmap descriptor format.
/openbmc/linux/tools/testing/selftests/powerpc/mm/
H A Dhugetlb_vs_thp_test.c18 p = mmap(addr, SIZE, PROT_READ | PROT_WRITE, in test_body()
34 p = mmap(addr, SIZE, PROT_READ | PROT_WRITE, in test_body()

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