diff options
| -rw-r--r-- | mm/internal.h | 2 | ||||
| -rw-r--r-- | mm/madvise.c | 5 | ||||
| -rw-r--r-- | mm/memory.c | 23 |
3 files changed, 16 insertions, 14 deletions
diff --git a/mm/internal.h b/mm/internal.h index b0ac179d3a5d..6e1162e13289 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -536,7 +536,7 @@ static inline void sync_with_folio_pmd_zap(struct mm_struct *mm, pmd_t *pmdp) } struct zap_details; -void zap_page_range_single_batched(struct mmu_gather *tlb, +void zap_vma_range_batched(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long addr, unsigned long size, struct zap_details *details); int zap_vma_for_reaping(struct vm_area_struct *vma); diff --git a/mm/madvise.c b/mm/madvise.c index e86228682842..a50ec5f90e3e 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -855,9 +855,8 @@ static long madvise_dontneed_single_vma(struct madvise_behavior *madv_behavior) .reclaim_pt = true, }; - zap_page_range_single_batched( - madv_behavior->tlb, madv_behavior->vma, range->start, - range->end - range->start, &details); + zap_vma_range_batched(madv_behavior->tlb, madv_behavior->vma, + range->start, range->end - range->start, &details); return 0; } diff --git a/mm/memory.c b/mm/memory.c index 8c77a765036f..879858e466ef 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2167,17 +2167,20 @@ void unmap_vmas(struct mmu_gather *tlb, struct unmap_desc *unmap) } /** - * zap_page_range_single_batched - remove user pages in a given range + * zap_vma_range_batched - zap page table entries in a vma range * @tlb: pointer to the caller's struct mmu_gather - * @vma: vm_area_struct holding the applicable pages - * @address: starting address of pages to remove - * @size: number of bytes to remove - * @details: details of shared cache invalidation + * @vma: the vma covering the range to zap + * @address: starting address of the range to zap + * @size: number of bytes to zap + * @details: details specifying zapping behavior + * + * @tlb must not be NULL. The provided address range must be fully + * contained within @vma. If @vma is for hugetlb, @tlb is flushed and + * re-initialized by this function. * - * @tlb shouldn't be NULL. The range must fit into one VMA. If @vma is for - * hugetlb, @tlb is flushed and re-initialized by this function. + * If @details is NULL, this function will zap all page table entries. */ -void zap_page_range_single_batched(struct mmu_gather *tlb, +void zap_vma_range_batched(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long address, unsigned long size, struct zap_details *details) { @@ -2225,7 +2228,7 @@ void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, struct mmu_gather tlb; tlb_gather_mmu(&tlb, vma->vm_mm); - zap_page_range_single_batched(&tlb, vma, address, size, NULL); + zap_vma_range_batched(&tlb, vma, address, size, NULL); tlb_finish_mmu(&tlb); } @@ -4251,7 +4254,7 @@ static inline void unmap_mapping_range_tree(struct rb_root_cached *root, size = (end_idx - start_idx) << PAGE_SHIFT; tlb_gather_mmu(&tlb, vma->vm_mm); - zap_page_range_single_batched(&tlb, vma, start, size, details); + zap_vma_range_batched(&tlb, vma, start, size, details); tlb_finish_mmu(&tlb); } } |