From bf1d89c81352f6eca72d0c10cfee3dba29ef5efb Mon Sep 17 00:00:00 2001 From: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Tue, 16 Oct 2007 23:25:45 -0700 Subject: lib: percpu_count_sum() Provide an accurate version of percpu_counter_read. 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> --- lib/percpu_counter.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'lib') diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index b0d80ea22a33..3b0ed80c1efd 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -52,7 +52,7 @@ EXPORT_SYMBOL(__percpu_counter_add); * Add up all the per-cpu counts, return the result. This is a more accurate * but much slower version of percpu_counter_read_positive() */ -s64 percpu_counter_sum_positive(struct percpu_counter *fbc) +s64 __percpu_counter_sum(struct percpu_counter *fbc) { s64 ret; int cpu; @@ -64,9 +64,9 @@ s64 percpu_counter_sum_positive(struct percpu_counter *fbc) ret += *pcount; } spin_unlock(&fbc->lock); - return ret < 0 ? 0 : ret; + return ret; } -EXPORT_SYMBOL(percpu_counter_sum_positive); +EXPORT_SYMBOL(__percpu_counter_sum); void percpu_counter_init(struct percpu_counter *fbc, s64 amount) { -- cgit v1.2.3-58-ga151