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authorIngo Molnar <mingo@elte.hu>2011-12-20 20:32:03 +0100
committerIngo Molnar <mingo@elte.hu>2011-12-20 20:32:11 +0100
commitd87f69a16eb2cb96459117b06949a560679002e4 (patch)
treebbb55b2bd2b6c9e8bd4067aa3279783cb6bd9028 /kernel/lockdep.c
parent124ba9403318d834ef21bcd899c22c870708d2c4 (diff)
parent384703b8e6cd4c8ef08512e596024e028c91c339 (diff)
Merge commit 'v3.2-rc6' into perf/core
Merge reason: Update with the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index d2fab46a1c9..24f176c9fc9 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -44,6 +44,7 @@
#include <linux/stringify.h>
#include <linux/bitops.h>
#include <linux/gfp.h>
+#include <linux/kmemcheck.h>
#include <asm/sections.h>
@@ -2944,7 +2945,12 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
void lockdep_init_map(struct lockdep_map *lock, const char *name,
struct lock_class_key *key, int subclass)
{
- memset(lock, 0, sizeof(*lock));
+ int i;
+
+ kmemcheck_mark_initialized(lock, sizeof(*lock));
+
+ for (i = 0; i < NR_LOCKDEP_CACHING_CLASSES; i++)
+ lock->class_cache[i] = NULL;
#ifdef CONFIG_LOCK_STAT
lock->cpu = raw_smp_processor_id();