[PATCH 05/10] oom: enable oom tasklist dump by default

From: KOSAKI Motohiro
Date: Tue Jun 08 2010 - 07:58:35 EST

From: David Rientjes <rientjes@xxxxxxxxxx>

The oom killer tasklist dump, enabled with the oom_dump_tasks sysctl, is
very helpful information in diagnosing why a user's task has been killed.
It emits useful information such as each eligible thread's memory usage
that can determine why the system is oom, so it should be enabled by

Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Documentation/sysctl/vm.txt | 2 +-
mm/oom_kill.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 5fdbb61..3936b61 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -511,7 +511,7 @@ information may not be desired.
If this is set to non-zero, this information is shown whenever the
OOM killer actually kills a memory-hogging task.

-The default value is 0.
+The default value is 1 (enabled).


diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 80492ff..b88172c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -31,7 +31,7 @@

int sysctl_panic_on_oom;
int sysctl_oom_kill_allocating_task;
-int sysctl_oom_dump_tasks;
+int sysctl_oom_dump_tasks = 1;
static DEFINE_SPINLOCK(zone_scan_lock);
/* #define DEBUG */


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