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linux/lib/kref.c
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

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