diff options
Diffstat (limited to 'Documentation/sysctl/vm.txt')
| -rw-r--r-- | Documentation/sysctl/vm.txt | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index a46c10fcddf..86754eb390d 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -28,7 +28,7 @@ Currently, these files are in /proc/sys/vm: - block_dump - drop-caches - zone_reclaim_mode -- zone_reclaim_interval +- panic_on_oom ============================================================== @@ -166,15 +166,15 @@ use of files and builds up large slab caches. However, the slab shrink operation is global, may take a long time and free slabs in all nodes of the system. -================================================================ +============================================================= -zone_reclaim_interval: +panic_on_oom -The time allowed for off node allocations after zone reclaim -has failed to reclaim enough pages to allow a local allocation. +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. -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. +The default value is 0. |