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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 b255b939bc1b..4bb0ed350e73 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -68,11 +68,11 @@ s64 __percpu_counter_sum(struct percpu_counter *fbc)
68} 68}
69EXPORT_SYMBOL(__percpu_counter_sum); 69EXPORT_SYMBOL(__percpu_counter_sum);
70 70
71static struct lock_class_key percpu_counter_irqsafe; 71int __percpu_counter_init(struct percpu_counter *fbc, s64 amount,
72 72 struct lock_class_key *key)
73int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
74{ 73{
75 spin_lock_init(&fbc->lock); 74 spin_lock_init(&fbc->lock);
75 lockdep_set_class(&fbc->lock, key);
76 fbc->count = amount; 76 fbc->count = amount;
77 fbc->counters = alloc_percpu(s32); 77 fbc->counters = alloc_percpu(s32);
78 if (!fbc->counters) 78 if (!fbc->counters)
@@ -84,17 +84,7 @@ int percpu_counter_init(struct percpu_counter *fbc, s64 amount)
84#endif 84#endif
85 return 0; 85 return 0;
86} 86}
87EXPORT_SYMBOL(percpu_counter_init); 87EXPORT_SYMBOL(__percpu_counter_init);
88
89int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount)
90{
91 int err;
92
93 err = percpu_counter_init(fbc, amount);
94 if (!err)
95 lockdep_set_class(&fbc->lock, &percpu_counter_irqsafe);
96 return err;
97}
98 88
99void percpu_counter_destroy(struct percpu_counter *fbc) 89void percpu_counter_destroy(struct percpu_counter *fbc)
100{ 90{