Re: [PATCH 0/3] make mapped executable pages the first classcitizen

[Roger WANG]

Hello Jesse,

On Sat, 2009-06-20 at 00:43 +0800 Jesse Barnes wrote:
> On Fri, 19 Jun 2009 17:32:24 +0800
> Wu Fengguang <fengguang.wu@xxxxxxxxx> wrote:
> 
> > 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.
> 
> Yeah, a good chunk of that is GEM objects.  I generally haven't seen
> OOMs due to excessive GEM allocation though, until recently.  We've got
> some patches queued up to manage the object cache better (actually free
> pages when we don't need them!), so that should help.

Could you please point me to those patches so I can try them here? I
have to kill my X once per day.

Thanks 

--Roger
> 
> -- 
> Jesse Barnes, Intel Open Source Technology Center
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