diff options
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 18019f037bae..2a6a3cccfc36 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -729,13 +729,18 @@ static inline void clear_full_ptes(struct mm_struct *mm, unsigned long addr, * fault. This function updates TLB only, do nothing with cache or others. * It is the difference with function update_mmu_cache. */ -#ifndef __HAVE_ARCH_UPDATE_MMU_TLB +#ifndef update_mmu_tlb_range +static inline void update_mmu_tlb_range(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, unsigned int nr) +{ +} +#endif + static inline void update_mmu_tlb(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { + update_mmu_tlb_range(vma, address, ptep, 1); } -#define __HAVE_ARCH_UPDATE_MMU_TLB -#endif /* * Some architectures may be able to avoid expensive synchronization @@ -1084,6 +1089,15 @@ static inline int pgd_same(pgd_t pgd_a, pgd_t pgd_b) }) #ifndef __HAVE_ARCH_DO_SWAP_PAGE +static inline void arch_do_swap_page_nr(struct mm_struct *mm, + struct vm_area_struct *vma, + unsigned long addr, + pte_t pte, pte_t oldpte, + int nr) +{ + +} +#else /* * Some architectures support metadata associated with a page. When a * page is being swapped out, this metadata must be saved so it can be @@ -1092,12 +1106,17 @@ static inline int pgd_same(pgd_t pgd_a, pgd_t pgd_b) * page as metadata for the page. arch_do_swap_page() can restore this * metadata when a page is swapped back in. */ -static inline void arch_do_swap_page(struct mm_struct *mm, - struct vm_area_struct *vma, - unsigned long addr, - pte_t pte, pte_t oldpte) -{ - +static inline void arch_do_swap_page_nr(struct mm_struct *mm, + struct vm_area_struct *vma, + unsigned long addr, + pte_t pte, pte_t oldpte, + int nr) +{ + for (int i = 0; i < nr; i++) { + arch_do_swap_page(vma->vm_mm, vma, addr + i * PAGE_SIZE, + pte_advance_pfn(pte, i), + pte_advance_pfn(oldpte, i)); + } } #endif @@ -1888,9 +1907,12 @@ typedef unsigned int pgtbl_mod_mask; #ifndef pmd_leaf_size #define pmd_leaf_size(x) PMD_SIZE #endif +#ifndef __pte_leaf_size #ifndef pte_leaf_size #define pte_leaf_size(x) PAGE_SIZE #endif +#define __pte_leaf_size(x,y) pte_leaf_size(y) +#endif /* * We always define pmd_pfn for all archs as it's used in lots of generic |