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oomd: force DefaultMemoryPressureDurationSec= to be greater than or equal 1 sec

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This commit is contained in:
Anita Zhang 2021-03-26 01:19:10 -07:00
parent 14140b3544
commit a858355e4a
2 changed files with 4 additions and 1 deletions
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2
man/oomd.conf.xml
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@ -81,7 +81,7 @@
<listitem><para>Sets the amount of time a unit's control group needs to have exceeded memory pressure
limits before <command>systemd-oomd</command> will take action. Memory pressure limits are defined by
<varname>DefaultMemoryPressureLimit=</varname> and <varname>ManagedOOMMemoryPressureLimit=</varname>.
Defaults to 30 seconds when this property is unset or set to 0.</para></listitem>
Must be set to 0, or at least 1 second. Defaults to 30 seconds when unset or 0.</para></listitem>
</varlistentry>
</variablelist>

3
src/oom/oomd.c
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@ -155,6 +155,9 @@ static int run(int argc, char *argv[]) {
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
if (arg_mem_pressure_usec > 0 && arg_mem_pressure_usec < 1 * USEC_PER_SEC)
log_error_errno(SYNTHETIC_ERRNO(EINVAL), "DefaultMemoryPressureDurationSec= must be 0 or at least 1s");
r = manager_new(&m);
if (r < 0)
return log_error_errno(r, "Failed to create manager: %m");