From e13861d822f8f443ca0c020ea8fc2dc01039cd63 Mon Sep 17 00:00:00 2001 From: Minchan Kim Date: Mon, 24 May 2010 14:31:59 -0700 Subject: 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 Reviewed-by: Rik van Riel Reviewed-by: KOSAKI Motohiro Reviewed-by: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/migrate.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'mm/migrate.c') 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; } /* -- cgit v1.2.3-59-g8ed1b