From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 81E686B00A1 for ; Fri, 17 Dec 2010 12:14:19 -0500 (EST) Received: by mail-pv0-f169.google.com with SMTP id 30so143145pvc.14 for ; Fri, 17 Dec 2010 09:14:15 -0800 (PST) From: Minchan Kim Subject: [RFC 5/5] truncate: Remove unnecessary page release Date: Sat, 18 Dec 2010 02:13:40 +0900 Message-Id: <02ab98b3a1450f7a1c31edc48ccc57e887cee900.1292604746.git.minchan.kim@gmail.com> In-Reply-To: References: In-Reply-To: References: Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: linux-mm , LKML , Minchan Kim , Nick Piggin , Al Viro List-ID: This patch series changes remove_from_page_cache's page ref counting rule. page cache ref count is decreased in remove_from_page_cache. So we don't need call again in caller context. Cc: Nick Piggin Cc: Al Viro Cc: linux-mm@kvack.org Signed-off-by: Minchan Kim --- mm/truncate.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/mm/truncate.c b/mm/truncate.c index 9ee5673..8decb93 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -114,7 +114,6 @@ truncate_complete_page(struct address_space *mapping, struct page *page) * calls cleancache_put_page (and note page->mapping is now NULL) */ cleancache_flush_page(mapping, page); - page_cache_release(page); /* pagecache ref */ return 0; } -- 1.7.0.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org