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-rw-r--r--lib/percpu_counter.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index a8663890a88c..c7fe2e4e8ed1 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -71,11 +71,11 @@ s64 __percpu_counter_sum(struct percpu_counter *fbc)
71} 71}
72EXPORT_SYMBOL(__percpu_counter_sum); 72EXPORT_SYMBOL(__percpu_counter_sum);
73 73
74static struct lock_class_key percpu_counter_irqsafe; 74int __percpu_counter_init(struct percpu_counter *fbc, s64 amount,
75 75 struct lock_class_key *key)
76int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
77{ 76{
78 spin_lock_init(&fbc->lock); 77 spin_lock_init(&fbc->lock);
78 lockdep_set_class(&fbc->lock, key);
79 fbc->count = amount; 79 fbc->count = amount;
80 fbc->counters = alloc_percpu(s32); 80 fbc->counters = alloc_percpu(s32);
81 if (!fbc->counters) 81 if (!fbc->counters)
@@ -87,17 +87,7 @@ int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
87#endif 87#endif
88 return 0; 88 return 0;
89} 89}
90EXPORT_SYMBOL(percpu_counter_init); 90EXPORT_SYMBOL(__percpu_counter_init);
91
92int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount)
93{
94 int err;
95
96 err = percpu_counter_init(fbc, amount);
97 if (!err)
98 lockdep_set_class(&fbc->lock, &percpu_counter_irqsafe);
99 return err;
100}
101 91
102void percpu_counter_destroy(struct percpu_counter *fbc) 92void percpu_counter_destroy(struct percpu_counter *fbc)
103{ 93{