diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-16 23:25:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:44 -0700 |
| commit | dc62a30e274d003a4d08fb888f1520add4b21373 (patch) | |
| tree | 15835cabc7b9fbc6b213be6f7c0fa5003e44fdb3 /include/linux/percpu_counter.h | |
| parent | 833f4077bf7c2dcff6e31526e03ec2ad91c88581 (diff) | |
| download | lwn-dc62a30e274d003a4d08fb888f1520add4b21373.tar.gz lwn-dc62a30e274d003a4d08fb888f1520add4b21373.zip | |
lib: percpu_counter_init_irq
provide a way to tell lockdep about percpu_counters that are supposed to be
used from irq safe contexts.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/percpu_counter.h')
| -rw-r--r-- | include/linux/percpu_counter.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index f7ecd38d7e9c..9007ccdfc112 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -31,6 +31,7 @@ struct percpu_counter { #endif int percpu_counter_init(struct percpu_counter *fbc, s64 amount); +int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount); void percpu_counter_destroy(struct percpu_counter *fbc); void percpu_counter_set(struct percpu_counter *fbc, s64 amount); void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch); @@ -84,6 +85,8 @@ static inline int percpu_counter_init(struct percpu_counter *fbc, s64 amount) return 0; } +#define percpu_counter_init_irq percpu_counter_init + static inline void percpu_counter_destroy(struct percpu_counter *fbc) { } |