GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

kref: Add a kref_sub function

Browse source 
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>
This commit is contained in:
Thomas Hellstrom 2010-11-16 15:21:07 +01:00 • committed by Dave Airlie
parent d6ea88865d
commit ecf7ace9a8
2 changed files with 32 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/linux/kref.h
View file

@ -24,5 +24,7 @@ struct kref {
void kref_init(struct kref *kref);
void kref_get(struct kref *kref);
int kref_put(struct kref *kref, void (*release) (struct kref *kref));
int kref_sub(struct kref *kref, unsigned int count,
void (*release) (struct kref *kref));
#endif /* _KREF_H_ */