linux-kernel - Re: [PATCH 0/6] refine and rename slub sysfs

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Message-ID: <alpine.DEB.2.20.1705231106110.2242@east.gentwo.org>
Date:   Tue, 23 May 2017 11:07:14 -0500 (CDT)
From:   Christoph Lameter <cl@...ux.com>
To:     Michal Hocko <mhocko@...nel.org>
cc:     Wei Yang <richard.weiyang@...il.com>, penberg@...nel.org,
        rientjes@...gle.com, akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] refine and rename slub sysfs

On Tue, 23 May 2017, Michal Hocko wrote:

> > >_Why_ do we need all this?
> >
> > To have a clear statistics for each slab level.
>
> Is this worth risking breakage of the userspace which consume this data
> now? Do you have any user space code which will greatly benefit from the
> new data and which couldn't do the same with the current format/output?
>
> If yes this all should be in the changelog.

And the patchset would also need to update the user space tool that is in
the kernel tree...

Again Wei please do not use "level". Type?