Messages in this thread | | | Date | Thu, 6 Jan 2022 11:55:24 -1000 | From | Tejun Heo <> | Subject | Re: [PATCH 2/2] cgroup/rstat: check updated_next only for root |
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On Sat, Dec 25, 2021 at 12:09:32AM +0000, Wei Yang wrote: > After commit dc26532aed0a ("cgroup: rstat: punt root-level optimization to > individual controllers"), each rstat on updated_children list has its > ->updated_next not NULL. > > This means we can remove the check on ->updated_next, if we make sure > the subtree from @root is on list, which could be done by checking > updated_next for root. > > Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Applied to cgroup/for-5.17 w/ coding style fixes.
Thanks.
-- tejun
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