Thomas Hellstrom ecf7ace9a8 kref: Add a kref_sub function ...

Makes it possible to optimize batched multiple unrefs.
Initial user will be drivers/gpu/ttm which accumulates unrefs to be
processed outside of atomic code.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2010-11-22 13:25:13 +10:00

734 B

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