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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-01-06 17:39:16 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 18:59:00 -0500
commit64cdd548ffe26849d4cd113ac640f60606063b14 (patch)
tree9a7a8af9022621d2da3648757b724fcd32b20168 /include/linux/migrate.h
parent1b0bd118862cd9fe9ac2872137a1b8107e83ff9d (diff)
mm: cleanup: remove #ifdef CONFIG_MIGRATION
#ifdef in *.c file decrease source readability a bit. removing is better. This patch doesn't have any functional change. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 3f34005068d4..527602cdea1c 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -7,6 +7,8 @@
7typedef struct page *new_page_t(struct page *, unsigned long private, int **); 7typedef struct page *new_page_t(struct page *, unsigned long private, int **);
8 8
9#ifdef CONFIG_MIGRATION 9#ifdef CONFIG_MIGRATION
10#define PAGE_MIGRATION 1
11
10extern int putback_lru_pages(struct list_head *l); 12extern int putback_lru_pages(struct list_head *l);
11extern int migrate_page(struct address_space *, 13extern int migrate_page(struct address_space *,
12 struct page *, struct page *); 14 struct page *, struct page *);
@@ -20,6 +22,8 @@ extern int migrate_vmas(struct mm_struct *mm,
20 const nodemask_t *from, const nodemask_t *to, 22 const nodemask_t *from, const nodemask_t *to,
21 unsigned long flags); 23 unsigned long flags);
22#else 24#else
25#define PAGE_MIGRATION 0
26
23static inline int putback_lru_pages(struct list_head *l) { return 0; } 27static inline int putback_lru_pages(struct list_head *l) { return 0; }
24static inline int migrate_pages(struct list_head *l, new_page_t x, 28static inline int migrate_pages(struct list_head *l, new_page_t x,
25 unsigned long private) { return -ENOSYS; } 29 unsigned long private) { return -ENOSYS; }