From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx123.postini.com [74.125.245.123]) by kanga.kvack.org (Postfix) with SMTP id 09B2F6B00B6 for ; Tue, 17 Jan 2012 08:29:53 -0500 (EST) Received: by werl4 with SMTP id l4so1943101wer.14 for ; Tue, 17 Jan 2012 05:29:52 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20120117131601.GB14907@tiehlicka.suse.cz> References: <20120117131601.GB14907@tiehlicka.suse.cz> Date: Tue, 17 Jan 2012 21:29:52 +0800 Message-ID: Subject: Re: [PATCH] mm: memcg: remove checking reclaim order in soft limit reclaim From: Hillf Danton Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: linux-mm@kvack.org, Johannes Weiner , KAMEZAWA Hiroyuki , Hugh Dickins , Andrew Morton , LKML On Tue, Jan 17, 2012 at 9:16 PM, Michal Hocko wrote: > Hi, > > On Tue 17-01-12 20:47:59, Hillf Danton wrote: >> If async order-O reclaim expected here, it is settled down when setting up scan >> control, with scan priority hacked to be zero. Other than that, deny of reclaim >> should be removed. > > Maybe I have misunderstood you but this is not right. The check is to > protect from the _global_ reclaim with order > 0 when we prevent from > memcg soft reclaim. > need to bear mm hog in this way? Thanks Hillf -- 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