tlb.h (cbecf716ca618fd44feda6bd9a64a8179d031fc5) tlb.h (358d1c39c82afaed58778633f6ed76c8fe9dbf9c)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/tlb.h
4 *
5 * Copyright (C) 2002 Russell King
6 *
7 * Experimentation shows that on a StrongARM, it appears to be faster
8 * to use the "invalidate whole tlb" rather than "invalidate single

--- 25 unchanged lines hidden (view full) ---

34 free_page_and_swap_cache((struct page *)_table);
35}
36
37#include <asm-generic/tlb.h>
38
39static inline void
40__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
41{
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/tlb.h
4 *
5 * Copyright (C) 2002 Russell King
6 *
7 * Experimentation shows that on a StrongARM, it appears to be faster
8 * to use the "invalidate whole tlb" rather than "invalidate single

--- 25 unchanged lines hidden (view full) ---

34 free_page_and_swap_cache((struct page *)_table);
35}
36
37#include <asm-generic/tlb.h>
38
39static inline void
40__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
41{
42 pgtable_pte_page_dtor(pte);
42 struct ptdesc *ptdesc = page_ptdesc(pte);
43
43
44 pagetable_pte_dtor(ptdesc);
45
44#ifndef CONFIG_ARM_LPAE
45 /*
46 * With the classic ARM MMU, a pte page has two corresponding pmd
47 * entries, each covering 1MB.
48 */
49 addr = (addr & PMD_MASK) + SZ_1M;
50 __tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE);
51#endif
52
46#ifndef CONFIG_ARM_LPAE
47 /*
48 * With the classic ARM MMU, a pte page has two corresponding pmd
49 * entries, each covering 1MB.
50 */
51 addr = (addr & PMD_MASK) + SZ_1M;
52 __tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE);
53#endif
54
53 tlb_remove_table(tlb, pte);
55 tlb_remove_ptdesc(tlb, ptdesc);
54}
55
56static inline void
57__pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
58{
59#ifdef CONFIG_ARM_LPAE
56}
57
58static inline void
59__pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
60{
61#ifdef CONFIG_ARM_LPAE
60 struct page *page = virt_to_page(pmdp);
62 struct ptdesc *ptdesc = virt_to_ptdesc(pmdp);
61
63
62 pgtable_pmd_page_dtor(page);
63 tlb_remove_table(tlb, page);
64 pagetable_pmd_dtor(ptdesc);
65 tlb_remove_ptdesc(tlb, ptdesc);
64#endif
65}
66
67#endif /* CONFIG_MMU */
68#endif
66#endif
67}
68
69#endif /* CONFIG_MMU */
70#endif