diff --git a/[refs] b/[refs]
index fe86bfa044de..542855342cbc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 093a8e8aecd77b2799934996a55a6838e1e2b8f3
+refs/heads/master: 17b02695b254aa2ef0e53df9c8e6548f86e66a9d
diff --git a/trunk/include/linux/taskstats_kern.h b/trunk/include/linux/taskstats_kern.h
index a437ca0d226b..664224008fb2 100644
--- a/trunk/include/linux/taskstats_kern.h
+++ b/trunk/include/linux/taskstats_kern.h
@@ -32,6 +32,9 @@ static inline void taskstats_tgid_alloc(struct signal_struct *sig)
 	struct taskstats *stats;
 	unsigned long flags;
 
+	if (sig->stats != NULL)
+		return;
+
 	stats = kmem_cache_zalloc(taskstats_cache, SLAB_KERNEL);
 	if (!stats)
 		return;