diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2025-11-04 16:57:09 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-20 13:43:57 -0800 |
| commit | 340b59816bc417c306cd76b867914cfb4f386d2d (patch) | |
| tree | a999575f7b8eabddf1b794fe6ddeca8dac69b26c | |
| parent | 3b12a53b64d0c86cf68cab772bd4137e451b17a5 (diff) | |
| download | tip-340b59816bc417c306cd76b867914cfb4f386d2d.tar.gz | |
mm: kill mm_wr_locked from unmap_vmas() and unmap_single_vma()
Kill mm_wr_locked since commit f8e97613fed2 ("mm: convert VM_PFNMAP
tracking to pfnmap_track() + pfnmap_untrack()") remove the user.
Link: https://lkml.kernel.org/r/20251104085709.2688433-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mm.h | 2 | ||||
| -rw-r--r-- | mm/memory.c | 12 | ||||
| -rw-r--r-- | mm/mmap.c | 2 | ||||
| -rw-r--r-- | mm/vma.c | 5 | ||||
| -rw-r--r-- | tools/testing/vma/vma_internal.h | 3 |
5 files changed, 9 insertions, 15 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index b636d12bb65198..df9f258a017cff 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2480,7 +2480,7 @@ static inline void zap_vma_pages(struct vm_area_struct *vma) } void unmap_vmas(struct mmu_gather *tlb, struct ma_state *mas, struct vm_area_struct *start_vma, unsigned long start, - unsigned long end, unsigned long tree_end, bool mm_wr_locked); + unsigned long end, unsigned long tree_end); struct mmu_notifier_range; diff --git a/mm/memory.c b/mm/memory.c index 8d8c36adafa865..b09de6274da314 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2023,8 +2023,7 @@ void unmap_page_range(struct mmu_gather *tlb, static void unmap_single_vma(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start_addr, - unsigned long end_addr, - struct zap_details *details, bool mm_wr_locked) + unsigned long end_addr, struct zap_details *details) { unsigned long start = max(vma->vm_start, start_addr); unsigned long end; @@ -2070,7 +2069,6 @@ static void unmap_single_vma(struct mmu_gather *tlb, * @start_addr: virtual address at which to start unmapping * @end_addr: virtual address at which to end unmapping * @tree_end: The maximum index to check - * @mm_wr_locked: lock flag * * Unmap all pages in the vma list. * @@ -2085,8 +2083,7 @@ static void unmap_single_vma(struct mmu_gather *tlb, */ void unmap_vmas(struct mmu_gather *tlb, struct ma_state *mas, struct vm_area_struct *vma, unsigned long start_addr, - unsigned long end_addr, unsigned long tree_end, - bool mm_wr_locked) + unsigned long end_addr, unsigned long tree_end) { struct mmu_notifier_range range; struct zap_details details = { @@ -2102,8 +2099,7 @@ void unmap_vmas(struct mmu_gather *tlb, struct ma_state *mas, unsigned long start = start_addr; unsigned long end = end_addr; hugetlb_zap_begin(vma, &start, &end); - unmap_single_vma(tlb, vma, start, end, &details, - mm_wr_locked); + unmap_single_vma(tlb, vma, start, end, &details); hugetlb_zap_end(vma, &details); vma = mas_find(mas, tree_end - 1); } while (vma && likely(!xa_is_zero(vma))); @@ -2139,7 +2135,7 @@ void zap_page_range_single_batched(struct mmu_gather *tlb, * unmap 'address-end' not 'range.start-range.end' as range * could have been expanded for hugetlb pmd sharing. */ - unmap_single_vma(tlb, vma, address, end, details, false); + unmap_single_vma(tlb, vma, address, end, details); mmu_notifier_invalidate_range_end(&range); if (is_vm_hugetlb_page(vma)) { /* diff --git a/mm/mmap.c b/mm/mmap.c index 644f02071a41b1..4f51ca64490349 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1274,7 +1274,7 @@ void exit_mmap(struct mm_struct *mm) tlb_gather_mmu_fullmm(&tlb, mm); /* update_hiwater_rss(mm) here? but nobody should be looking */ /* Use ULONG_MAX here to ensure all VMAs in the mm are unmapped */ - unmap_vmas(&tlb, &vmi.mas, vma, 0, ULONG_MAX, ULONG_MAX, false); + unmap_vmas(&tlb, &vmi.mas, vma, 0, ULONG_MAX, ULONG_MAX); mmap_read_unlock(mm); /* diff --git a/mm/vma.c b/mm/vma.c index 919d1fc63a5232..0c5e391fe2e2f7 100644 --- a/mm/vma.c +++ b/mm/vma.c @@ -483,8 +483,7 @@ void unmap_region(struct ma_state *mas, struct vm_area_struct *vma, tlb_gather_mmu(&tlb, mm); update_hiwater_rss(mm); - unmap_vmas(&tlb, mas, vma, vma->vm_start, vma->vm_end, vma->vm_end, - /* mm_wr_locked = */ true); + unmap_vmas(&tlb, mas, vma, vma->vm_start, vma->vm_end, vma->vm_end); mas_set(mas, vma->vm_end); free_pgtables(&tlb, mas, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS, next ? next->vm_start : USER_PGTABLES_CEILING, @@ -1228,7 +1227,7 @@ static inline void vms_clear_ptes(struct vma_munmap_struct *vms, tlb_gather_mmu(&tlb, vms->vma->vm_mm); update_hiwater_rss(vms->vma->vm_mm); unmap_vmas(&tlb, mas_detach, vms->vma, vms->start, vms->end, - vms->vma_count, mm_wr_locked); + vms->vma_count); mas_set(mas_detach, 1); /* start and end may be different if there is no prev or next vma. */ diff --git a/tools/testing/vma/vma_internal.h b/tools/testing/vma/vma_internal.h index d873667704e8f8..c68d382dac81ff 100644 --- a/tools/testing/vma/vma_internal.h +++ b/tools/testing/vma/vma_internal.h @@ -848,8 +848,7 @@ static inline void update_hiwater_vm(struct mm_struct *mm) static inline void unmap_vmas(struct mmu_gather *tlb, struct ma_state *mas, struct vm_area_struct *vma, unsigned long start_addr, - unsigned long end_addr, unsigned long tree_end, - bool mm_wr_locked) + unsigned long end_addr, unsigned long tree_end) { } |