drm/i915: Shrink the request kmem_cache on allocation error

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If we fail to allocate a new request, make sure we recover the pages
that are in the process of being freed by inserting an RCU barrier.

v2: Comment before the shrink and barrier in the error path.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180119144657.22606-1-chris@chris-wilson.co.uk

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Chris Wilson 2018-01-19 14:46:57 +00:00

parent bd724318b6

commit f0111b04ff

1 changed files with 11 additions and 0 deletions

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drivers/gpu/drm/i915/i915_gem_request.c

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