From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 46FC86B005A for ; Fri, 19 Jun 2009 05:31:30 -0400 (EDT) Date: Fri, 19 Jun 2009 17:32:24 +0800 From: Wu Fengguang Subject: Re: [PATCH 0/3] make mapped executable pages the first class citizen Message-ID: <20090619093224.GA30898@localhost> References: <20090516090005.916779788@intel.com> <1242485776.32543.834.camel@laptop> <20090617141135.0d622bfe@jbarnes-g45> <20090618012532.GB19732@localhost> <20090619090011.GA30561@localhost> <1245402289.13761.24606.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1245402289.13761.24606.camel@twins> Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: Jesse Barnes , Andrew Morton , LKML , Rik van Riel , "linux-mm@kvack.org" , Mel Gorman , Christoph Lameter , KOSAKI Motohiro , "hannes@cmpxchg.org" , "tytso@mit.edu" , "elladan@eskimo.com" , "npiggin@suse.de" , "minchan.kim@gmail.com" , "Wang, Roger" List-ID: On Fri, Jun 19, 2009 at 05:04:49PM +0800, Peter Zijlstra wrote: > On Fri, 2009-06-19 at 17:00 +0800, Wu, Fengguang wrote: > > [add CC] > > > > This OOM case looks like the same bug encountered by David Howells. > > > > > Jun 18 07:44:53 jbarnes-g45 kernel: [64377.426766] Active_anon:290797 active_file:28 inactive_anon:97034 > > > Jun 18 07:44:53 jbarnes-g45 kernel: [64377.426767] inactive_file:61 unevictable:11322 dirty:0 writeback:0 unstable:0 > > > Jun 18 07:44:53 jbarnes-g45 kernel: [64377.426768] free:3341 slab:13776 mapped:5880 pagetables:6851 bounce:0 > > > > active/inactive_anon pages take up 4/5 memory. Are you using TMPFS a lot? > > I suspect its his GEM thingy ;-) Very likely - GEM allocates drm objects from the internal tmpfs, and libdrm_intel seems to never free drm objects from its cache. Thanks, Fengguang -- 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