From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx147.postini.com [74.125.245.147]) by kanga.kvack.org (Postfix) with SMTP id F0FB96B004A for ; Thu, 26 Apr 2012 23:01:55 -0400 (EDT) Date: Thu, 26 Apr 2012 22:02:24 -0400 From: Dave Jones Subject: Re: 3.4-rc4 oom killer out of control. Message-ID: <20120427020224.GA22927@redhat.com> References: <20120426193551.GA24968@redhat.com> <20120426215257.GA12908@redhat.com> <20120426224419.GA13598@redhat.com> <20120427005448.GD23877@home.goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120427005448.GD23877@home.goodmis.org> Sender: owner-linux-mm@kvack.org List-ID: To: Steven Rostedt Cc: David Rientjes , linux-mm@kvack.org, Linux Kernel , "Paul E. McKenney" On Thu, Apr 26, 2012 at 08:54:48PM -0400, Steven Rostedt wrote: > > > full_scans is just a counter of how many times it has scanned mergable > > > memory so it should be increasing constantly. Whether pages_to_scan == > > > 1250 and sleep_millisecs == 20 is good for your system is unknown. You > > > may want to try disabling ksm entirely (echo 0 > /sys/kernel/mm/ksm/run) > > > to see if it significantly increases responsiveness for your workload. > > > > You didn't happen to see any RCU CPU stalls, did you? nothing got reported in dmesg.. Dave -- 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