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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-01-16 19:28:26 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:20 -0800 |
| commit | 672aa27d0bd241759376e62b78abb8aae1792479 (patch) | |
| tree | fdefd97d0cc15012a5218becf545bb2e1c2577cc /mm | |
| parent | 7efecffb8e7968c4a6c53177b0053ca4765fe233 (diff) | |
| download | lwn-672aa27d0bd241759376e62b78abb8aae1792479.tar.gz lwn-672aa27d0bd241759376e62b78abb8aae1792479.zip | |
mm: remove munlock_vma_page()
All callers now have a folio and can call munlock_vma_folio(). Update the
documentation to refer to munlock_vma_folio().
Link: https://lkml.kernel.org/r/20230116192827.2146732-4-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')
| -rw-r--r-- | mm/internal.h | 8 | ||||
| -rw-r--r-- | mm/rmap.c | 12 |
2 files changed, 6 insertions, 14 deletions
diff --git a/mm/internal.h b/mm/internal.h index 0b74105ea363..ce462bf145b4 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -548,7 +548,6 @@ static inline void mlock_vma_folio(struct folio *folio, } void munlock_folio(struct folio *folio); - static inline void munlock_vma_folio(struct folio *folio, struct vm_area_struct *vma, bool compound) { @@ -557,11 +556,6 @@ static inline void munlock_vma_folio(struct folio *folio, munlock_folio(folio); } -static inline void munlock_vma_page(struct page *page, - struct vm_area_struct *vma, bool compound) -{ - munlock_vma_folio(page_folio(page), vma, compound); -} void mlock_new_folio(struct folio *folio); bool need_mlock_drain(int cpu); void mlock_drain_local(void); @@ -650,8 +644,6 @@ static inline struct file *maybe_unlock_mmap_for_io(struct vm_fault *vmf, } #else /* !CONFIG_MMU */ static inline void unmap_mapping_folio(struct folio *folio) { } -static inline void munlock_vma_page(struct page *page, - struct vm_area_struct *vma, bool compound) { } static inline void mlock_new_folio(struct folio *folio) { } static inline bool need_mlock_drain(int cpu) { return false; } static inline void mlock_drain_local(void) { } diff --git a/mm/rmap.c b/mm/rmap.c index 33e15181ae73..0b5abdda1e6b 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1431,14 +1431,14 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma, } /* - * It would be tidy to reset PageAnon mapping when fully unmapped, - * but that might overwrite a racing page_add_anon_rmap - * which increments mapcount after us but sets mapping - * before us: so leave the reset to free_pages_prepare, - * and remember that it's only reliable while mapped. + * It would be tidy to reset folio_test_anon mapping when fully + * unmapped, but that might overwrite a racing page_add_anon_rmap + * which increments mapcount after us but sets mapping before us: + * so leave the reset to free_pages_prepare, and remember that + * it's only reliable while mapped. */ - munlock_vma_page(page, vma, compound); + munlock_vma_folio(folio, vma, compound); } /* |