From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta8.messagelabs.com (mail6.bemta8.messagelabs.com [216.82.243.55]) by kanga.kvack.org (Postfix) with ESMTP id 3FE5D6B004A for ; Thu, 2 Jun 2011 09:27:17 -0400 (EDT) Received: by bwz17 with SMTP id 17so1462757bwz.14 for ; Thu, 02 Jun 2011 06:27:15 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1306909519-7286-8-git-send-email-hannes@cmpxchg.org> References: <1306909519-7286-1-git-send-email-hannes@cmpxchg.org> <1306909519-7286-8-git-send-email-hannes@cmpxchg.org> Date: Thu, 2 Jun 2011 22:27:15 +0900 Message-ID: Subject: Re: [patch 7/8] vmscan: memcg-aware unevictable page rescue scanner From: Hiroyuki Kamezawa Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: KAMEZAWA Hiroyuki , Daisuke Nishimura , Balbir Singh , Ying Han , Michal Hocko , Andrew Morton , Rik van Riel , Minchan Kim , KOSAKI Motohiro , Mel Gorman , Greg Thelen , Michel Lespinasse , linux-mm@kvack.org, linux-kernel@vger.kernel.org 2011/6/1 Johannes Weiner : > Once the per-memcg lru lists are exclusive, the unevictable page > rescue scanner can no longer work on the global zone lru lists. > > This converts it to go through all memcgs and scan their respective > unevictable lists instead. > > Signed-off-by: Johannes Weiner Hm, isn't it better to have only one GLOBAL LRU for unevictable pages ? memcg only needs counter for unevictable pages and LRU is not necessary to be per memcg because we don't reclaim it... Thanks, -Kame -- 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 internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org