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-rw-r--r--include/linux/migrate.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 5dba23a1c0d0..48148e0cdbd1 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -16,7 +16,9 @@ extern int fail_migrate_page(struct address_space *,
struct page *, struct page *);
extern int migrate_prep(void);
-
+extern int migrate_vmas(struct mm_struct *mm,
+ const nodemask_t *from, const nodemask_t *to,
+ unsigned long flags);
#else
static inline int isolate_lru_page(struct page *p, struct list_head *list)
@@ -30,6 +32,13 @@ static inline int migrate_pages_to(struct list_head *pagelist,
static inline int migrate_prep(void) { return -ENOSYS; }
+static inline int migrate_vmas(struct mm_struct *mm,
+ const nodemask_t *from, const nodemask_t *to,
+ unsigned long flags)
+{
+ return -ENOSYS;
+}
+
/* Possible settings for the migrate_page() method in address_operations */
#define migrate_page NULL
#define fail_migrate_page NULL