aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/sysctl/vm.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/sysctl/vm.txt')
-rw-r--r--Documentation/sysctl/vm.txt23
1 files changed, 17 insertions, 6 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index e96a341eb7e4..1d192565e182 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -197,11 +197,22 @@ and may not be fast.
197 197
198panic_on_oom 198panic_on_oom
199 199
200This enables or disables panic on out-of-memory feature. If this is set to 1, 200This enables or disables panic on out-of-memory feature.
201the kernel panics when out-of-memory happens. If this is set to 0, the kernel
202will kill some rogue process, called oom_killer. Usually, oom_killer can kill
203rogue processes and system will survive. If you want to panic the system
204rather than killing rogue processes, set this to 1.
205 201
206The default value is 0. 202If this is set to 0, the kernel will kill some rogue process,
203called oom_killer. Usually, oom_killer can kill rogue processes and
204system will survive.
205
206If this is set to 1, the kernel panics when out-of-memory happens.
207However, if a process limits using nodes by mempolicy/cpusets,
208and those nodes become memory exhaustion status, one process
209may be killed by oom-killer. No panic occurs in this case.
210Because other nodes' memory may be free. This means system total status
211may be not fatal yet.
207 212
213If this is set to 2, the kernel panics compulsorily even on the
214above-mentioned.
215
216The default value is 0.
2171 and 2 are for failover of clustering. Please select either
218according to your policy of failover.