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authorAnita Zhang <the.anitazha@gmail.com>2021-06-09 21:55:38 -0700
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2021-06-10 07:24:18 +0200
commitc48bc311a57aff76b592cc1569ca758b84438ef5 (patch)
tree66a6e8d63fed66f8293500e3434655cc549d8ab0 /man/systemd-oomd.service.xml
parent3c3335c7146a43137c46acfa18417cca101cb088 (diff)
downloadsystemd-c48bc311a57aff76b592cc1569ca758b84438ef5.tar.gz
man: add note about operation without swap in systemd-oomd
Diffstat (limited to 'man/systemd-oomd.service.xml')
-rw-r--r--man/systemd-oomd.service.xml4
1 files changed, 3 insertions, 1 deletions
diff --git a/man/systemd-oomd.service.xml b/man/systemd-oomd.service.xml
index 86c47e5b57..e87a753987 100644
--- a/man/systemd-oomd.service.xml
+++ b/man/systemd-oomd.service.xml
@@ -60,7 +60,9 @@
Without swap, the system enters a livelocked state much more quickly and may prevent <command>systemd-oomd</command>
from responding in a reasonable amount of time. See
<ulink url="https://chrisdown.name/2018/01/02/in-defence-of-swap.html">"In defence of swap: common misconceptions"</ulink>
- for more details on swap.</para>
+ for more details on swap. Any swap-based actions on systems without swap will be ignored. While
+ <command>systemd-oomd</command> can perform pressure-based actions on a system without swap, the pressure increases
+ will be more abrupt and may require more tuning to get the desired thresholds and behavior.</para>
<para>Be aware that if you intend to enable monitoring and actions on <filename>user.slice</filename>,
<filename>user-$UID.slice</filename>, or their ancestor cgroups, it is highly recommended that your programs be