From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH net-next] net:  allocate skbs on local node
Date: Tue, 12 Oct 2010 00:58:56 -0700
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Cc: David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	Michael Chan <mchan@broadcom.com>,
	Eilon Greenstein <eilong@broadcom.com>,
	Christoph Hellwig <hch@lst.de>,
	Christoph Lameter <cl@linux-foundation.org>,
	Pekka Enberg <penberg@cs.helsinki.fi>
To: Eric Dumazet <eric.dumazet@gmail.com>
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On Tue, 12 Oct 2010 09:49:53 +0200 Eric Dumazet <eric.dumazet@gmail.com=
> wrote:

> Le mardi 12 octobre 2010 =E0 00:24 -0700, Andrew Morton a =E9crit :
>=20
> > I'd love to forget it, but it's faster for some things (I forget
> > which).  Which is why it's still around.
>=20
> Yes, two years ago it was true on pathological/obscure cases.
> Every time I did the comparison, SLUB won.
> You asked me, I did yet another test this morning, and 40% is pretty
> serious, I believe.
>=20
> >=20
> > And the ghastly thing about this is that you're forced to care abou=
t it
> > too because some people are, apparently, still using it.
> >=20
>=20
> Yes, some people (in my company) still use linux 2.6.9 32bit on HP G6=
/G7
> machines, I know...
>=20
> I am not saying we should not care, but for any serious network workl=
oad
> on NUMA arches, SLUB is the best, and seeing Christoph recent work, i=
t
> might even get better.
>=20
> BTW, I believe all modern distros ship SLUB, dont they ?
>=20

Dunno.

Pekka, why haven't we deleted slab yet??