diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-06 19:48:46 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:15 -0700 |
| commit | f39af05949a4280b9f04d5dd0f606b81aac3dae8 (patch) | |
| tree | de12c542cd4db626c9f147cd897236c25be35cac /mm/mmap.c | |
| parent | d4af56c5c7c6781ca6ca8075e2cf5bc119ed33d1 (diff) | |
mm: add VMA iterator
This thin layer of abstraction over the maple tree state is for iterating
over VMAs. You can go forwards, go backwards or ask where the iterator
is. Rename the existing vma_next() to __vma_next() -- it will be removed
by the end of this series.
Link: https://lkml.kernel.org/r/20220906194824.2110408-10-Liam.Howlett@oracle.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 5115eea6a0e6..20718645d82f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -586,7 +586,7 @@ static int find_vma_links(struct mm_struct *mm, unsigned long addr, } /* - * vma_next() - Get the next VMA. + * __vma_next() - Get the next VMA. * @mm: The mm_struct. * @vma: The current vma. * @@ -594,7 +594,7 @@ static int find_vma_links(struct mm_struct *mm, unsigned long addr, * * Returns: The next VMA after @vma. */ -static inline struct vm_area_struct *vma_next(struct mm_struct *mm, +static inline struct vm_area_struct *__vma_next(struct mm_struct *mm, struct vm_area_struct *vma) { if (!vma) @@ -1291,7 +1291,7 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, if (vm_flags & VM_SPECIAL) return NULL; - next = vma_next(mm, prev); + next = __vma_next(mm, prev); area = next; if (area && area->vm_end == end) /* cases 6, 7, 8 */ next = next->vm_next; @@ -2843,7 +2843,7 @@ static void unmap_region(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *prev, unsigned long start, unsigned long end) { - struct vm_area_struct *next = vma_next(mm, prev); + struct vm_area_struct *next = __vma_next(mm, prev); struct mmu_gather tlb; lru_add_drain(); @@ -3051,7 +3051,7 @@ int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len, if (error) goto split_failed; } - vma = vma_next(mm, prev); + vma = __vma_next(mm, prev); if (unlikely(uf)) { /* |