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-rw-r--r--lib/kref.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/kref.c b/lib/kref.c
index 0d07cc3..a6dc3ec 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -21,6 +21,7 @@
void kref_init(struct kref *kref)
{
atomic_set(&kref->refcount,1);
+ smp_mb();
}
/**
@@ -31,6 +32,7 @@ void kref_get(struct kref *kref)
{
WARN_ON(!atomic_read(&kref->refcount));
atomic_inc(&kref->refcount);
+ smp_mb__after_atomic_inc();
}
/**
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