linux-kernel - Re: [PATCHSET] cgroup/for-4.17: Make cgroup

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Message-ID: <20180426213533.GW1911913@devbig577.frc2.facebook.com>
Date:   Thu, 26 Apr 2018 14:35:33 -0700
From:   Tejun Heo <tj@...nel.org>
To:     lizefan@...wei.com, hannes@...xchg.org
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, guro@...com,
        kernel-team@...com
Subject: Re: [PATCHSET] cgroup/for-4.17: Make cgroup_rstat available to
 controllers

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