linux-kernel - Re: [PATCH 2/2] SLUB: Mark merged slab caches in /proc/slabinfo

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Date:	Tue, 14 Sep 2010 11:05:09 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	Christoph Lameter <cl@...ux.com>, linux-kernel@...r.kernel.org,
	David Rientjes <rientjes@...gle.com>,
	Matt Mackall <mpm@...enic.com>
Subject: Re: [PATCH 2/2] SLUB: Mark merged slab caches in /proc/slabinfo

I didn't see this before I replied to the 1/2 patch..

On Tue, Sep 14, 2010 at 10:59 AM, Pekka Enberg <penberg@...nel.org> wrote:
> On Tue, 14 Sep 2010, Pekka Enberg wrote:
>>> Unfortunately this breaks "slabtop". I guess we could try some other delimiter?
>
> On Tue, Sep 14, 2010 at 8:28 PM, Christoph Lameter <cl@...ux.com> wrote:
>> + ?
>
> Looking at procps sources, slabtop and other utilities seem to think
> slab cache names are limited to 64 bytes. Linus, are you OK with
> adding a "+" character prefix for merged caches like you suggested in
> private?

I'd much rather see "x+y+z" and actually see what the slab entries are.

But we can certainly also say "limit it to 64 bytes" and truncate
things past that.

                Linus
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