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-rw-r--r--include/linux/migrate.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 7d09962c3c0b..ff0a64073ebc 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -12,7 +12,7 @@ extern void migrate_page_copy(struct page *, struct page *);
extern int migrate_page_remove_references(struct page *, struct page *, int);
extern int migrate_pages(struct list_head *l, struct list_head *t,
struct list_head *moved, struct list_head *failed);
-int migrate_pages_to(struct list_head *pagelist,
+extern int migrate_pages_to(struct list_head *pagelist,
struct vm_area_struct *vma, int dest);
extern int fail_migrate_page(struct page *, struct page *);
@@ -26,6 +26,9 @@ static inline int putback_lru_pages(struct list_head *l) { return 0; }
static inline int migrate_pages(struct list_head *l, struct list_head *t,
struct list_head *moved, struct list_head *failed) { return -ENOSYS; }
+static inline int migrate_pages_to(struct list_head *pagelist,
+ struct vm_area_struct *vma, int dest) { return 0; }
+
static inline int migrate_prep(void) { return -ENOSYS; }
/* Possible settings for the migrate_page() method in address_operations */