From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx116.postini.com [74.125.245.116]) by kanga.kvack.org (Postfix) with SMTP id 6F5046B02D6 for ; Wed, 14 Dec 2011 07:20:46 -0500 (EST) Date: Wed, 14 Dec 2011 12:20:41 +0000 From: Mel Gorman Subject: Re: [PATCH] mm: Fix kswapd livelock on single core, no preempt kernel Message-ID: <20111214122041.GF3487@suse.de> References: <1323798271-1452-1-git-send-email-mikew@google.com> <1323829490.22361.395.camel@sli10-conroe> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Mike Waychison Cc: Shaohua Li , Andrew Morton , Minchan Kim , KAMEZAWA Hiroyuki , Johannes Weiner , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Hugh Dickens , Greg Thelen On Tue, Dec 13, 2011 at 08:36:43PM -0800, Mike Waychison wrote: > FYI, this was seen with a 2.6.39-based kernel with no-numa, no-memcg > and swap-enabled. > If this is 2.6.39, can you try applying the commit [f06590bd: mm: vmscan: correctly check if reclaimer should schedule during shrink_slab] There have been a few fixes around kswapd hogging the CPU since 2.6.39. -- Mel Gorman SUSE Labs -- 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