From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx204.postini.com [74.125.245.204]) by kanga.kvack.org (Postfix) with SMTP id D3D756B004A for ; Thu, 26 Apr 2012 18:20:36 -0400 (EDT) Received: by iajr24 with SMTP id r24so190594iaj.14 for ; Thu, 26 Apr 2012 15:20:36 -0700 (PDT) Date: Thu, 26 Apr 2012 15:20:34 -0700 (PDT) From: David Rientjes Subject: Re: 3.4-rc4 oom killer out of control. In-Reply-To: <20120426215257.GA12908@redhat.com> Message-ID: References: <20120426193551.GA24968@redhat.com> <20120426215257.GA12908@redhat.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Dave Jones , linux-mm@kvack.org, Linux Kernel On Thu, 26 Apr 2012, Dave Jones wrote: > /sys/kernel/mm/ksm/full_scans is increasing constantly > > full_scans: 146370 > pages_shared: 1 > pages_sharing: 4 > pages_to_scan: 1250 > pages_unshared: 867 > pages_volatile: 1 > run: 1 > sleep_millisecs: 20 > 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. -- 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