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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-10-05 21:01:15 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-07 14:38:07 -0800 |
| commit | 68158bfa3dbd4af8461ef75a91ffc03be942c8fe (patch) | |
| tree | c9d893f1a845509151594a08f051c3cdc7f303ac /mm/rmap.c | |
| parent | 713da0b33b3e9d16272b57f4c44dee5c052be9b7 (diff) | |
| download | linux-68158bfa3dbd4af8461ef75a91ffc03be942c8fe.tar.gz linux-68158bfa3dbd4af8461ef75a91ffc03be942c8fe.tar.bz2 linux-68158bfa3dbd4af8461ef75a91ffc03be942c8fe.zip | |
mm: mass constification of folio/page pointers
Now that page_pgoff() takes const pointers, we can constify the pointers
to a lot of functions.
Link: https://lkml.kernel.org/r/20241005200121.3231142-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index d4e5fe94fa92..c6c4d4ea29a7 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -496,7 +496,7 @@ void __init anon_vma_init(void) * concurrently without folio lock protection). See folio_lock_anon_vma_read() * which has already covered that, and comment above remap_pages(). */ -struct anon_vma *folio_get_anon_vma(struct folio *folio) +struct anon_vma *folio_get_anon_vma(const struct folio *folio) { struct anon_vma *anon_vma = NULL; unsigned long anon_mapping; @@ -540,7 +540,7 @@ out: * reference like with folio_get_anon_vma() and then block on the mutex * on !rwc->try_lock case. */ -struct anon_vma *folio_lock_anon_vma_read(struct folio *folio, +struct anon_vma *folio_lock_anon_vma_read(const struct folio *folio, struct rmap_walk_control *rwc) { struct anon_vma *anon_vma = NULL; @@ -1271,8 +1271,9 @@ static void __folio_set_anon(struct folio *folio, struct vm_area_struct *vma, * @vma: the vm area in which the mapping is added * @address: the user virtual address mapped */ -static void __page_check_anon_rmap(struct folio *folio, struct page *page, - struct vm_area_struct *vma, unsigned long address) +static void __page_check_anon_rmap(const struct folio *folio, + const struct page *page, struct vm_area_struct *vma, + unsigned long address) { /* * The page's anon-rmap details (mapping and index) are guaranteed to @@ -2569,7 +2570,7 @@ void __put_anon_vma(struct anon_vma *anon_vma) anon_vma_free(root); } -static struct anon_vma *rmap_walk_anon_lock(struct folio *folio, +static struct anon_vma *rmap_walk_anon_lock(const struct folio *folio, struct rmap_walk_control *rwc) { struct anon_vma *anon_vma; |