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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
| commit | bc588df79ebfb710abc27342fccf336a68ed1216 (patch) | |
| tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /lib/percpu_counter.c | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
| parent | 15dd859cacf312f606f54502d1f66537a1e5c78c (diff) | |
Merge branch 'x86/core' into x86/xsave
Diffstat (limited to 'lib/percpu_counter.c')
| -rw-r--r-- | lib/percpu_counter.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index 119174494cb..4a8ba4bf5f6 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(struct percpu_counter *fbc) +s64 __percpu_counter_sum(struct percpu_counter *fbc, int set) { s64 ret; int cpu; @@ -62,7 +62,12 @@ s64 __percpu_counter_sum(struct percpu_counter *fbc) for_each_online_cpu(cpu) { s32 *pcount = per_cpu_ptr(fbc->counters, cpu); ret += *pcount; + if (set) + *pcount = 0; } + if (set) + fbc->count = ret; + spin_unlock(&fbc->lock); return ret; } |