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-rw-r--r--include/linux/percpu-refcount.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index d5c89e0dd0e6..6b0c81872142 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -128,10 +128,8 @@ static inline void percpu_ref_kill(struct percpu_ref *ref)
128static inline bool __ref_is_percpu(struct percpu_ref *ref, 128static inline bool __ref_is_percpu(struct percpu_ref *ref,
129 unsigned long __percpu **percpu_countp) 129 unsigned long __percpu **percpu_countp)
130{ 130{
131 unsigned long percpu_ptr = ACCESS_ONCE(ref->percpu_count_ptr);
132
133 /* paired with smp_store_release() in percpu_ref_reinit() */ 131 /* paired with smp_store_release() in percpu_ref_reinit() */
134 smp_read_barrier_depends(); 132 unsigned long percpu_ptr = lockless_dereference(ref->percpu_count_ptr);
135 133
136 if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC)) 134 if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC))
137 return false; 135 return false;