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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-17 10:25:44 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 19:42:44 +0400
commit3a587f47b82f96f19318c036e7b979fcd5c3848f (patch)
tree84b3254a7ea7524784f7e262d651cc332b3b0063 /include/linux/percpu_counter.h
parent20e89767096392a2cb2404437d3d181b8827af38 (diff)
downloadlinux-3a587f47b82f96f19318c036e7b979fcd5c3848f.tar.xz
lib: percpu_counter_set
Provide a method to set a percpu counter to a specified value. 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.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index e8fa2da13ba6..2da92e8ce3dd 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -32,6 +32,7 @@ struct percpu_counter {
void percpu_counter_init(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);
s64 percpu_counter_sum(struct percpu_counter *fbc);
@@ -75,6 +76,11 @@ static inline void percpu_counter_destroy(struct percpu_counter *fbc)
{
}
+static inline void percpu_counter_set(struct percpu_counter *fbc, s64 amount)
+{
+ fbc->count = amount;
+}
+
#define __percpu_counter_add(fbc, amount, batch) \
percpu_counter_add(fbc, amount)