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authorMinchan Kim <minchan.kim@gmail.com>2010-05-24 14:31:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-25 08:06:57 -0700
commite13861d822f8f443ca0c020ea8fc2dc01039cd63 (patch)
tree0e1ccaa6a2d682f7636b9d5ef5d4c73a28074988 /mm
parent4b50dc26a0a25a9d1998d206e1f7d849aa78063f (diff)
downloadlinux-e13861d822f8f443ca0c020ea8fc2dc01039cd63.tar.bz2
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 'mm')
-rw-r--r--mm/migrate.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index d3f3f7f81075..5938db54e1d7 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -58,23 +58,18 @@ int migrate_prep(void)
/*
* Add isolated pages on the list back to the LRU under page lock
* to avoid leaking evictable pages back onto unevictable list.
- *
- * returns the number of pages put back.
*/
-int putback_lru_pages(struct list_head *l)
+void putback_lru_pages(struct list_head *l)
{
struct page *page;
struct page *page2;
- int count = 0;
list_for_each_entry_safe(page, page2, l, lru) {
list_del(&page->lru);
dec_zone_page_state(page, NR_ISOLATED_ANON +
page_is_file_cache(page));
putback_lru_page(page);
- count++;
}
- return count;
}
/*