diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 1cfbf2e2bc9..e4e728bdf32 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -146,6 +146,22 @@ static inline void mlock_migrate_page(struct page *newpage, struct page *page) } } +/* + * free_page_mlock() -- clean up attempts to free and mlocked() page. + * Page should not be on lru, so no need to fix that up. + * free_pages_check() will verify... + */ +static inline void free_page_mlock(struct page *page) +{ + if (unlikely(TestClearPageMlocked(page))) { + unsigned long flags; + + local_irq_save(flags); + __dec_zone_page_state(page, NR_MLOCK); + __count_vm_event(UNEVICTABLE_MLOCKFREED); + local_irq_restore(flags); + } +} #else /* CONFIG_UNEVICTABLE_LRU */ static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p) @@ -155,6 +171,7 @@ static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p) static inline void clear_page_mlock(struct page *page) { } static inline void mlock_vma_page(struct page *page) { } static inline void mlock_migrate_page(struct page *new, struct page *old) { } +static inline void free_page_mlock(struct page *page) { } #endif /* CONFIG_UNEVICTABLE_LRU */ |