mm: migrate: support non-lru movable page migration

[karo-tx-linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0c9ebf530d9e3388d57b479c2d2d8376fc1a1025..97fe08d17d890d88b597841bf19d0c912a21d04e 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -402,6 +402,8 @@ struct address_space_operations {
         */
        int (*migratepage) (struct address_space *,
                        struct page *, struct page *, enum migrate_mode);
+       bool (*isolate_page)(struct page *, isolate_mode_t);
+       void (*putback_page)(struct page *);
        int (*launder_page) (struct page *);
        int (*is_partially_uptodate) (struct page *, unsigned long,
                                        unsigned long);