diff --git a/[refs] b/[refs]
index ff355a5ad81d..81d3f30aa103 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6bb56347f5162d1a7cb1dc461023360781ecd4c0
+refs/heads/master: eced1dfcfcf6b0a35e925d73916a9d8e36ab5457
diff --git a/trunk/kernel/perf_counter.c b/trunk/kernel/perf_counter.c
index 7d4bb83b78cf..d7cbc579fc80 100644
--- a/trunk/kernel/perf_counter.c
+++ b/trunk/kernel/perf_counter.c
@@ -4066,6 +4066,7 @@ perf_counter_alloc(struct perf_counter_attr *attr,
 	hwc->sample_period = attr->sample_period;
 	if (attr->freq && attr->sample_freq)
 		hwc->sample_period = 1;
+	hwc->last_period = hwc->sample_period;
 
 	atomic64_set(&hwc->period_left, hwc->sample_period);