diff options
author | Minchan Kim <minchan.kim@gmail.com> | 2010-05-24 17:31:59 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 11:06:57 -0400 |
commit | e13861d822f8f443ca0c020ea8fc2dc01039cd63 (patch) | |
tree | 0e1ccaa6a2d682f7636b9d5ef5d4c73a28074988 /include/linux/migrate.h | |
parent | 4b50dc26a0a25a9d1998d206e1f7d849aa78063f (diff) |
mm: remove return value of putback_lru_pages()
putback_lru_page() never can fail. So it doesn't matter count of "the
number of pages put back".
In addition, users of this functions don't use return value.
Let's remove unnecessary code.
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r-- | include/linux/migrate.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 7f085c97c799..7a07b17d27c5 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h | |||
@@ -9,7 +9,7 @@ typedef struct page *new_page_t(struct page *, unsigned long private, int **); | |||
9 | #ifdef CONFIG_MIGRATION | 9 | #ifdef CONFIG_MIGRATION |
10 | #define PAGE_MIGRATION 1 | 10 | #define PAGE_MIGRATION 1 |
11 | 11 | ||
12 | extern int putback_lru_pages(struct list_head *l); | 12 | extern void putback_lru_pages(struct list_head *l); |
13 | extern int migrate_page(struct address_space *, | 13 | extern int migrate_page(struct address_space *, |
14 | struct page *, struct page *); | 14 | struct page *, struct page *); |
15 | extern int migrate_pages(struct list_head *l, new_page_t x, | 15 | extern int migrate_pages(struct list_head *l, new_page_t x, |
@@ -25,7 +25,7 @@ extern int migrate_vmas(struct mm_struct *mm, | |||
25 | #else | 25 | #else |
26 | #define PAGE_MIGRATION 0 | 26 | #define PAGE_MIGRATION 0 |
27 | 27 | ||
28 | static inline int putback_lru_pages(struct list_head *l) { return 0; } | 28 | static inline void putback_lru_pages(struct list_head *l) {} |
29 | static inline int migrate_pages(struct list_head *l, new_page_t x, | 29 | static inline int migrate_pages(struct list_head *l, new_page_t x, |
30 | unsigned long private, int offlining) { return -ENOSYS; } | 30 | unsigned long private, int offlining) { return -ENOSYS; } |
31 | 31 | ||