This patch series changes remove_from_page_cache's page ref counting rule. Page cache ref count is decreased in delete_from_page_cache. So we don't need decreasing page reference by caller. Cc: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx> Cc: Nick Piggin <npiggin@xxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Acked-by: Hugh Dickins <hughd@xxxxxxxxxx> Acked-by: Mel Gorman <mel@xxxxxxxxx> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> --- mm/truncate.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/truncate.c b/mm/truncate.c index 4d415b3..faf65a5 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -108,13 +108,12 @@ truncate_complete_page(struct address_space *mapping, struct page *page) cancel_dirty_page(page, PAGE_CACHE_SIZE); clear_page_mlock(page); - remove_from_page_cache(page); + delete_from_page_cache(page); ClearPageMappedToDisk(page); - /* this must be after the remove_from_page_cache which + /* this must be after the delete_from_page_cache which * calls cleancache_put_page (and note page->mapping is now NULL) */ cleancache_flush_page(mapping, page); - page_cache_release(page); /* pagecache ref */ return 0; } -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>