aboutsummaryrefslogtreecommitdiffstats
path: root/lib/percpu-refcount.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/percpu-refcount.c')
-rw-r--r--lib/percpu-refcount.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index 9a78e55fa48f..b35eaac2954f 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -57,12 +57,10 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release)
57static void percpu_ref_kill_rcu(struct rcu_head *rcu) 57static void percpu_ref_kill_rcu(struct rcu_head *rcu)
58{ 58{
59 struct percpu_ref *ref = container_of(rcu, struct percpu_ref, rcu); 59 struct percpu_ref *ref = container_of(rcu, struct percpu_ref, rcu);
60 unsigned __percpu *pcpu_count; 60 unsigned __percpu *pcpu_count = ref->pcpu_count;
61 unsigned count = 0; 61 unsigned count = 0;
62 int cpu; 62 int cpu;
63 63
64 pcpu_count = ACCESS_ONCE(ref->pcpu_count);
65
66 /* Mask out PCPU_REF_DEAD */ 64 /* Mask out PCPU_REF_DEAD */
67 pcpu_count = (unsigned __percpu *) 65 pcpu_count = (unsigned __percpu *)
68 (((unsigned long) pcpu_count) & ~PCPU_STATUS_MASK); 66 (((unsigned long) pcpu_count) & ~PCPU_STATUS_MASK);