From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id DE8116B01B6 for ; Mon, 14 Jun 2010 15:25:10 -0400 (EDT) Message-ID: <4C1681ED.5080502@redhat.com> Date: Mon, 14 Jun 2010 15:24:29 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 09/12] vmscan: Setup pagevec as late as possible in shrink_page_list() References: <1276514273-27693-1-git-send-email-mel@csn.ul.ie> <1276514273-27693-10-git-send-email-mel@csn.ul.ie> In-Reply-To: <1276514273-27693-10-git-send-email-mel@csn.ul.ie> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Dave Chinner , Chris Mason , Nick Piggin , Johannes Weiner , Christoph Hellwig , KAMEZAWA Hiroyuki , Andrew Morton List-ID: On 06/14/2010 07:17 AM, Mel Gorman wrote: > shrink_page_list() sets up a pagevec to release pages as according as they > are free. It uses significant amounts of stack on the pagevec. This > patch adds pages to be freed via pagevec to a linked list which is then > freed en-masse at the end. This avoids using stack in the main path that > potentially calls writepage(). > > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed -- 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/ . Don't email: email@kvack.org