Re: [PATCHSET] cgroup/for-4.17: Make cgroup_rstat available to controllers

From: Tejun Heo
Date: Thu Apr 26 2018 - 17:35:43 EST


On Fri, Mar 23, 2018 at 04:13:05PM -0700, Tejun Heo wrote:
> Hello,
>
> cgroup has scalable recursive stat mechanism implemented in
> kernel/stat.c. It's currently only used to track cpu consumptions and
> difficult to use outside of cgroup core. This patchset generalizes
> the mechanism and exposes it as cgroup_rstat so that controllers can
> use it.
>
> This patchset contains the following eight patches. A follow-up
> patchset will add usages.
>
> 0001-cgroup-Rename-kernel-cgroup-stat.c-to-kernel-cgroup-.patch
> 0002-cgroup-Rename-stat-to-rstat.patch
> 0003-cgroup-Distinguish-base-resource-stat-implementation.patch
> 0004-cgroup-Reorganize-kernel-cgroup-rstat.c.patch
> 0005-cgroup-Factor-out-and-expose-cgroup_rstat_-interface.patch
> 0006-cgroup-Replace-cgroup_rstat_mutex-with-a-spinlock.patch
> 0007-cgroup-Add-cgroup_subsys-css_rstat_flush.patch
> 0008-cgroup-Add-memory-barriers-to-plug-cgroup_rstat_upda.patch

Applied 1-8 to cgroup/for-4.18.

Thanks.

--
tejun