diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/percpu_counter.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index 604678d..28f2c33 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -72,18 +72,16 @@ EXPORT_SYMBOL(percpu_counter_set); void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch) { s64 count; - s32 *pcount; preempt_disable(); - pcount = this_cpu_ptr(fbc->counters); - count = *pcount + amount; + count = __this_cpu_read(*fbc->counters) + amount; if (count >= batch || count <= -batch) { spin_lock(&fbc->lock); fbc->count += count; - *pcount = 0; + __this_cpu_write(*fbc->counters, 0); spin_unlock(&fbc->lock); } else { - *pcount = count; + __this_cpu_write(*fbc->counters, count); } preempt_enable(); } |
