diff options
Diffstat (limited to 'include/linux/migrate.h')
| -rw-r--r-- | include/linux/migrate.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 7238231b8dd4..3c1941e40e61 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -14,6 +14,8 @@ extern int migrate_page(struct address_space *, struct page *, struct page *); extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long private, int offlining); +extern int migrate_huge_pages(struct list_head *l, new_page_t x, + unsigned long private, int offlining); extern int fail_migrate_page(struct address_space *, struct page *, struct page *); @@ -23,12 +25,17 @@ extern int migrate_prep_local(void); extern int migrate_vmas(struct mm_struct *mm, const nodemask_t *from, const nodemask_t *to, unsigned long flags); +extern void migrate_page_copy(struct page *newpage, struct page *page); +extern int migrate_huge_page_move_mapping(struct address_space *mapping, + struct page *newpage, struct page *page); #else #define PAGE_MIGRATION 0 static inline void putback_lru_pages(struct list_head *l) {} static inline int migrate_pages(struct list_head *l, new_page_t x, unsigned long private, int offlining) { return -ENOSYS; } +static inline int migrate_huge_pages(struct list_head *l, new_page_t x, + unsigned long private, int offlining) { return -ENOSYS; } static inline int migrate_prep(void) { return -ENOSYS; } static inline int migrate_prep_local(void) { return -ENOSYS; } @@ -40,6 +47,15 @@ static inline int migrate_vmas(struct mm_struct *mm, return -ENOSYS; } +static inline void migrate_page_copy(struct page *newpage, + struct page *page) {} + +extern int migrate_huge_page_move_mapping(struct address_space *mapping, + struct page *newpage, struct page *page) +{ + return -ENOSYS; +} + /* Possible settings for the migrate_page() method in address_operations */ #define migrate_page NULL #define fail_migrate_page NULL |