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6af89c6ca7
The rstat update side used to insert the cgroup whose stats are updated in the update tree and the read side flush the update tree to get the latest uptodate stats. The per-cpu per-subsystem locks were used to synchronize the update and flush side. However now the update side does not access update tree but uses per-cpu lockless lists. So there is no need for locks to synchronize update and flush side. Let's remove them. Suggested-by: JP Kobryn <inwardvessel@gmail.com> Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev> Tested-by: JP Kobryn <inwardvessel@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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