linux-kernel - Re: [PATCH] slab: Ignore internal flags in cache creation

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Message-ID: <CAOJsxLFYSKqq-JexK1Q7NEtQmxtJnWB-WwbNyp9tk9mpAh6vGg@mail.gmail.com>
Date:	Mon, 1 Oct 2012 10:28:58 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Christoph Lameter <cl@...ux.com>,
	Glauber Costa <glommer@...allels.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH] slab: Ignore internal flags in cache creation

Hello,

[ Found this in my @cs.helsinki.fi inbox, grmbl. ]

On Fri, Sep 28, 2012 at 11:39 PM, David Rientjes <rientjes@...gle.com> wrote:
> The first prototype, SLAM XP1, will be posted in October.  I'd simply like
> to avoid reverting this patch down the road and having all of us
> reconsider the topic again when clear alternatives exist that, in my
> opinion, make the code cleaner.

David, I'm sure you know we don't work speculatively against
out-of-tree code that may or may not be include in the future...

That said, I don't like Glauber's patch because it leaves CREATE_MASK
in mm/slab.c. And I'm not totally convinced a generic SLAB_INTERNAL is
going to cut it either. Hmm.

                        Pekka
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