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authorChris Wilson <chris@chris-wilson.co.uk>2009-09-14 16:50:29 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-09-17 14:43:31 -0700
commit3ef94daae7530b4ebcd2e5f48f1028cd2d2470ba (patch)
tree130f7e46f4d34b3016775c9e1980d971c475dc55 /COPYING
parent31169714fc928aed4e945b959dca2bedd259b9c9 (diff)
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drm/i915: Add ioctl to set 'purgeability' of objects
Similar to the madvise() concept, the application may wish to mark some data as volatile. That is in the event of memory pressure the kernel is free to discard such buffers safe in the knowledge that the application can recreate them on demand, and is simply using these as a cache. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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