[Intel-gfx] [PATCH v2] drm/i915: Allow shrinking of userptr objects once again

[Chris Wilson]

On Tue, Nov 01, 2016 at 02:44:10PM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Commit 1bec9b0bda3d ("drm/i915/shrinker: Only shmemfs objects
> are backed by swap") stopped considering the userptr objects
> in shrinker callbacks.
> 
> Restore that so idle userptr objects can be discarded in order
> to free up memory.
> 
> One change further to what was introduced in 1bec9b0bda3d is
> to start considering userptr objects in oom but that should
> also be a correct thing to do.
> 
> v2: Introduce I915_GEM_OBJECT_IS_SHRINKABLE. (Chris Wilson)

I think dmabuf would benefit. Happy to have a followup (or sign off on
that myself).
 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Fixes: 1bec9b0bda3d ("drm/i915/shrinker: Only shmemfs objects are backed by swap")
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: <stable at vger.kernel.org>

Reviewed-by Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre