[Intel-gfx] [PATCH 15/16] drm/i915: Use a slab for object allocation

[Daniel Vetter]

On Thu, Nov 15, 2012 at 11:32:30AM +0000, Chris Wilson wrote:
> The primary purpose of this was to debug some use-after-free memory
> corruption that was causing an OOPS inside drm/i915. As it turned out
> the corruption was being caused elsewhere and i915.ko as a major user of
> many objects was being hit hardest.
> 
> Indeed as we do frequent the generic kmalloc caches, dedicating one to
> ourselves (or at least naming one for us depending upon the core) aids
> debugging our own slab usage.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> Reviewed-by: Ben Widawsky <ben at bwidawsk.net>

Slurped in thus far, safe for the three patches I've already mentioned in
the previous reply.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch