diff --git a/[refs] b/[refs]
index daaae50815c2..0374b72f7a8e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5aab621b7bf024608f0c089e21656e7fe875a150
+refs/heads/master: 5a10317483f606106395814ee2fdaa2f1256a3b3
diff --git a/trunk/tools/perf/builtin-record.c b/trunk/tools/perf/builtin-record.c
index bb5b23db4239..60ecdd3dd26d 100644
--- a/trunk/tools/perf/builtin-record.c
+++ b/trunk/tools/perf/builtin-record.c
@@ -751,7 +751,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 	for (i = 0; i < MAX_NR_CPUS; i++) {
 		for (j = 0; j < MAX_COUNTERS; j++) {
 			fd[i][j] = malloc(sizeof(int)*thread_num);
-			mmap_array[i][j] = malloc(
+			mmap_array[i][j] = zalloc(
 				sizeof(struct mmap_data)*thread_num);
 			if (!fd[i][j] || !mmap_array[i][j])
 				return -ENOMEM;
diff --git a/trunk/tools/perf/builtin-top.c b/trunk/tools/perf/builtin-top.c
index 5f3ac9ff354d..4abdd9b646b3 100644
--- a/trunk/tools/perf/builtin-top.c
+++ b/trunk/tools/perf/builtin-top.c
@@ -1371,7 +1371,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 	for (i = 0; i < MAX_NR_CPUS; i++) {
 		for (j = 0; j < MAX_COUNTERS; j++) {
 			fd[i][j] = malloc(sizeof(int)*thread_num);
-			mmap_array[i][j] = malloc(
+			mmap_array[i][j] = zalloc(
 				sizeof(struct mmap_data)*thread_num);
 			if (!fd[i][j] || !mmap_array[i][j])
 				return -ENOMEM;