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Subject[PATCH 1/4] kmemleak: Enable task stacks scanning by default
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This is to reduce the number of false positives reported.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
Documentation/kmemleak.txt | 8 ++++----
mm/kmemleak.c | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/kmemleak.txt b/Documentation/kmemleak.txt
index f655308..9426e94 100644
--- a/Documentation/kmemleak.txt
+++ b/Documentation/kmemleak.txt
@@ -31,12 +31,12 @@ Memory scanning parameters can be modified at run-time by writing to the
/sys/kernel/debug/kmemleak file. The following parameters are supported:

off - disable kmemleak (irreversible)
- stack=on - enable the task stacks scanning
+ stack=on - enable the task stacks scanning (default)
stack=off - disable the tasks stacks scanning
- scan=on - start the automatic memory scanning thread
+ scan=on - start the automatic memory scanning thread (default)
scan=off - stop the automatic memory scanning thread
- scan=<secs> - set the automatic memory scanning period in seconds (0
- to disable it)
+ scan=<secs> - set the automatic memory scanning period in seconds
+ (default 600, 0 to stop the automatic scanning)

Kmemleak can also be disabled at boot-time by passing "kmemleak=off" on
the kernel command line.
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 17096d1..a38418a 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -194,7 +194,7 @@ static unsigned long jiffies_min_age;
/* delay between automatic memory scannings */
static signed long jiffies_scan_wait;
/* enables or disables the task stacks scanning */
-static int kmemleak_stack_scan;
+static int kmemleak_stack_scan = 1;
/* mutex protecting the memory scanning */
static DEFINE_MUTEX(scan_mutex);
/* mutex protecting the access to the /sys/kernel/debug/kmemleak file */


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