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-rw-r--r--lib/percpu_counter.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 1d954ea72331..604678d7d06d 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -73,9 +73,9 @@ void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)
73{ 73{
74 s64 count; 74 s64 count;
75 s32 *pcount; 75 s32 *pcount;
76 int cpu = get_cpu();
77 76
78 pcount = per_cpu_ptr(fbc->counters, cpu); 77 preempt_disable();
78 pcount = this_cpu_ptr(fbc->counters);
79 count = *pcount + amount; 79 count = *pcount + amount;
80 if (count >= batch || count <= -batch) { 80 if (count >= batch || count <= -batch) {
81 spin_lock(&fbc->lock); 81 spin_lock(&fbc->lock);
@@ -85,7 +85,7 @@ void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)
85 } else { 85 } else {
86 *pcount = count; 86 *pcount = count;
87 } 87 }
88 put_cpu(); 88 preempt_enable();
89} 89}
90EXPORT_SYMBOL(__percpu_counter_add); 90EXPORT_SYMBOL(__percpu_counter_add);
91 91