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SubjectRe: [PATCH 0/3] make mapped executable pages the first class citizen
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



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