diff options
Diffstat (limited to 'include/linux/migrate.h')
| -rw-r--r-- | include/linux/migrate.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h index f5096b58b20d..84a31ad0b791 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -35,16 +35,12 @@ enum migrate_reason { #ifdef CONFIG_MIGRATION -extern void putback_lru_pages(struct list_head *l); extern void putback_movable_pages(struct list_head *l); extern int migrate_page(struct address_space *, struct page *, struct page *, enum migrate_mode); extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long private, enum migrate_mode mode, int reason); -extern int fail_migrate_page(struct address_space *, - struct page *, struct page *); - extern int migrate_prep(void); extern int migrate_prep_local(void); extern int migrate_vmas(struct mm_struct *mm, @@ -55,10 +51,10 @@ extern int migrate_huge_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page); extern int migrate_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page, - struct buffer_head *head, enum migrate_mode mode); + struct buffer_head *head, enum migrate_mode mode, + int extra_count); #else -static inline void putback_lru_pages(struct list_head *l) {} static inline void putback_movable_pages(struct list_head *l) {} static inline int migrate_pages(struct list_head *l, new_page_t x, unsigned long private, enum migrate_mode mode, int reason) @@ -85,15 +81,23 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping, /* Possible settings for the migrate_page() method in address_operations */ #define migrate_page NULL -#define fail_migrate_page NULL #endif /* CONFIG_MIGRATION */ #ifdef CONFIG_NUMA_BALANCING +extern bool pmd_trans_migrating(pmd_t pmd); +extern void wait_migrate_huge_page(struct anon_vma *anon_vma, pmd_t *pmd); extern int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node); extern bool migrate_ratelimited(int node); #else +static inline bool pmd_trans_migrating(pmd_t pmd) +{ + return false; +} +static inline void wait_migrate_huge_page(struct anon_vma *anon_vma, pmd_t *pmd) +{ +} static inline int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node) { |