Re: [PATCH] drm/i915: Use the right mapping_gfp_mask for final shmem allocation

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On ke, 2017-04-05 at 23:15 +0100, Chris Wilson wrote:
> Many sightings report the greater prevalence of allocation failures.
> This is all due to the incorrect use of mapping_gfp_constraint(), so
> remove it in favour of just querying the mapping_gfp_mask() which are
> the exact gfp_t we wanted in the first place.
> 
> We still do expect a higher chance of reporting ENOMEM, as that is the
> intention of using __GFP_NORETRY -- to fail rather than oom after having
> reclaimed from our bo caches, and having done a direct|kswapd reclaim
> pass.
> 
> Reported-by: Jason Ekstrand <jason.ekstrand@xxxxxxxxx>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100594
> Fixes: 24f8e00a8a2e ("drm/i915: Prefer to report ENOMEM rather than incur the oom for gfx allocations")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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