linux-kernel - Re: [PATCH] slub/memcg: Cure the brainless abuse of sysfs attributes

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Message-ID: <alpine.DEB.2.20.1705212200070.3023@nanos>
Date:   Sun, 21 May 2017 22:01:07 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Christoph Hellwig <hch@...radead.org>
cc:     LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] slub/memcg: Cure the brainless abuse of sysfs
 attributes

On Sat, 20 May 2017, Christoph Hellwig wrote:

> On Sat, May 20, 2017 at 12:52:03PM +0200, Thomas Gleixner wrote:
> > This should be rewritten proper by adding a propagate() callback to those
> > slub_attributes which must be propagated and avoid that insane conversion
> > to and from ASCII
> 
> Exactly..
> 
> >, but that's too large for a hot fix.
> 
> What made this such a hot fix?  Looks like this crap has been in
> for quite a while.
 
Well, having something in tree which uses stale or uninitialized buffers
does justify a hot fix which can be easily backported to stable.

Thanks,

	tglx