Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755265Ab0LQROS (ORCPT ); Fri, 17 Dec 2010 12:14:18 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:62680 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755156Ab0LQROP (ORCPT ); Fri, 17 Dec 2010 12:14:15 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=LE6LF47BA/04V/b6D7rX8FB9O17w+vrxEsBSJUEcadiPGhGwqKZ3RKfRtG/lCxORDW zoCZ6TtZDP9ycfEe2htile5G8LjvqWU9dPTwlA4YyVoB7ftrsj5z4pNY+QiZIepbITav OwUsJCCIgUA2NbqyyK8MP5KRDYv16PwQ6WbIs= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , Minchan Kim , Nick Piggin , Al Viro 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> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1052 Lines: 32 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/