Revert "cgroup: cgroup-v1: do not exclude cgrp_dfl_root" (!2842) · Merge requests · Red Hat / centos-stream / src / kernel / centos-stream-9

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Jiri Benc requested to merge jbencrh/centos-stream-9:bz2225425 into main Jul 25, 2023

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2225425 Upstream-status: RHEL9 only

This reverts commit 38a27dbc, which was a backport of upstream 0061270307f2 ("cgroup: cgroup-v1: do not exclude cgrp_dfl_root"),

That commit is known to cause performance regression in networking (see also 840d6278 "Merge: cgroup: Miscellaneous bug fixes and enhancements") in range of 50-60% in:

VirtualBridgeVlansOverBondRecipe VirtualBridgeVlanInGuestMirroredRecipe VirtualBridgeVlanInHostMirroredRecipe VirtualOvsBridgeVlansOverBondRecipe VirtualOvsBridgeVlanInGuestMirroredRecipe VirtualOvsBridgeVlanInHostMirroredRecipe VirtOvsVxlanRecipe

Signed-off-by: Jiri Benc jbenc@redhat.com

Revert "cgroup: cgroup-v1: do not exclude cgrp_dfl_root"

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