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Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index a405d3dc0f6..5aee6de4e58 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -35,6 +35,8 @@ enum migrate_reason {
#ifdef CONFIG_MIGRATION
+extern int migrate_replace_page(struct page *oldpage, struct page *newpage);
+
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 *,
@@ -55,8 +57,14 @@ extern int migrate_vmas(struct mm_struct *mm,
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);
+extern int migrate_page_move_mapping(struct address_space *mapping,
+ struct page *newpage, struct page *page,
+ struct buffer_head *head, enum migrate_mode mode);
#else
+static inline int migrate_replace_page(struct page *oldpage,
+ struct page *newpage) { return -ENOSYS; }
+
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,