linux-kernel - Re: [PATCH] drm/i915: Selectively enable self-reclaim

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Message-ID: <2f11576a1001270350v4d6c7ed5qe1a1bac41b233456@mail.gmail.com>
Date:	Wed, 27 Jan 2010 20:50:24 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Roman Jarosz <kedgedev@...il.com>,
	A Rojas <nqn1976list@...il.com>,
	"A. Boulan" <arnaud.boulan@...ertysurf.fr>, michael@...nelt.co.at,
	jcnengel@...glemail.com, rientjes@...gle.com, earny@...4u.de,
	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Eric Anholt <eric@...olt.net>, stable@...nel.org
Subject: Re: [PATCH] drm/i915: Selectively enable self-reclaim

2010/1/27 Chris Wilson <chris@...is-wilson.co.uk>:
> Having missed the ENOMEM return via i915_gem_fault(), there are probably
> other paths that I also missed. By not enabling NORETRY by default these
> paths can run the shrinker and take memory from the system (but not from
> our own inactive lists because our shrinker can not run whilst we hold
> the struct mutex) and this may allow the system to survive a little longer
> whilst our drivers consume all available memory.
>
> References:
>  OOM killer unexpectedly called with kernel 2.6.32
>  http://bugzilla.kernel.org/show_bug.cgi?id=14933
>
> Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Cc: Hugh Dickins <hugh.dickins@...cali.co.uk>
> Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
> Cc: Eric Anholt <eric@...olt.net>
> Cc: stable@...nel.org

Acked-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
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