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-rw-r--r--Documentation/sysctl/vm.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index a46c10fcddfc..2dc246af4885 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -29,6 +29,7 @@ Currently, these files are in /proc/sys/vm:
- drop-caches
- zone_reclaim_mode
- zone_reclaim_interval
+- panic_on_oom
==============================================================
@@ -178,3 +179,15 @@ Time is set in seconds and set by default to 30 seconds.
Reduce the interval if undesired off node allocations occur. However, too
frequent scans will have a negative impact onoff node allocation performance.
+=============================================================
+
+panic_on_oom
+
+This enables or disables panic on out-of-memory feature. If this is set to 1,
+the kernel panics when out-of-memory happens. If this is set to 0, the kernel
+will kill some rogue process, called oom_killer. Usually, oom_killer can kill
+rogue processes and system will survive. If you want to panic the system
+rather than killing rogue processes, set this to 1.
+
+The default value is 0.
+