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
..
2010-10-26 14:51:00 -04:00
2010-11-22 13:25:13 +10:00
2010-10-25 10:20:39 -07:00
2010-11-16 13:33:23 -08:00