README: add missing CONFIG_MEMCG kernel config option for oomd

We need to enable this otherwise systemd-oomd.service fails to start.

Fixes:
ConditionControlGroupController=memory was not met

diff --git a/README b/README
index cd755113238b75f421189f0df8e06e77c00c91d4..f8f130e015981f1bb477d38ef1e927af02f19235 100644 (file)
--- a/README
+++ b/README
@@ -168,6 +168,7 @@ REQUIREMENTS:
 
         Required for systemd-oomd:
           CONFIG_PSI
+          CONFIG_MEMCG
 
         Note that kernel auditing is broken when used with systemd's container
         code. When using systemd in conjunction with containers, please make