[PATCH] migrate_pages_to() must be defined for the no swap case

Fix migrate_pages_to() definition.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 7d09962c3c0bbb3d39c9c95d2e4182f24f451e05..ff0a64073ebccc7b9fb400372a7f46bfe0d19dda 100644 (file)
--- 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 */