From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id CA3FE6B0088 for ; Fri, 8 Jan 2010 00:10:34 -0500 (EST) Message-ID: <4B46BE29.90207@redhat.com> Date: Fri, 08 Jan 2010 00:10:01 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: Commit f50de2d38 seems to be breaking my oom killer References: <20100108105841.b9a030c4.minchan.kim@barrios-desktop> <20100108115531.C132.A69D9226@jp.fujitsu.com> <20100108130742.C138.A69D9226@jp.fujitsu.com> In-Reply-To: <20100108130742.C138.A69D9226@jp.fujitsu.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: Minchan Kim , Mel Gorman , Will Newton , linux-mm@kvack.org, Andrew Morton List-ID: On 01/07/2010 11:08 PM, KOSAKI Motohiro wrote: > Commit f50de2d3 (vmscan: have kswapd sleep for a short interval and > double check it should be asleep) can cause kswapd to enter an infinite > loop if running on a single-CPU system. If all zones are unreclaimble, > sleeping_prematurely return 1 and kswapd will call balance_pgdat() > again. but it's totally meaningless, balance_pgdat() doesn't anything > against unreclaimable zone! > > Cc: Mel Gorman > Reported-by: Will Newton > Signed-off-by: KOSAKI Motohiro 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