Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756251Ab0F2Oqf (ORCPT ); Tue, 29 Jun 2010 10:46:35 -0400 Received: from f0.cmpxchg.org ([85.214.51.133]:49872 "EHLO cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756206Ab0F2Oqe (ORCPT ); Tue, 29 Jun 2010 10:46:34 -0400 Date: Tue, 29 Jun 2010 16:44:43 +0200 From: Johannes Weiner To: Mel Gorman Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Dave Chinner , Chris Mason , Nick Piggin , Rik van Riel , Christoph Hellwig , KAMEZAWA Hiroyuki , KOSAKI Motohiro , Andrew Morton , Andrea Arcangeli Subject: Re: [PATCH 01/14] vmscan: Fix mapping use after free Message-ID: <20100629144443.GD10513@cmpxchg.org> References: <1277811288-5195-1-git-send-email-mel@csn.ul.ie> <1277811288-5195-2-git-send-email-mel@csn.ul.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1277811288-5195-2-git-send-email-mel@csn.ul.ie> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 620 Lines: 15 On Tue, Jun 29, 2010 at 12:34:35PM +0100, Mel Gorman wrote: > From: Nick Piggin > > Use lock_page_nosync in handle_write_error as after writepage we have no > reference to the mapping when taking the page lock. > > Signed-off-by: Nick Piggin > Signed-off-by: Mel Gorman Reviewed-by: Johannes Weiner -- 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/