linux-kernel - Re: [PATCH v3] mm: make expand_downwards symmetrical to expand

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Message-ID: <1303480195.2590.2.camel@mulgrave.site>
Date:	Fri, 22 Apr 2011 08:49:54 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	David Rientjes <rientjes@...gle.com>,
	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>, Hugh Dickins <hughd@...gle.com>,
	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	linux-parisc@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to
 expand_upwards

On Fri, 2011-04-22 at 11:02 +0300, Pekka Enberg wrote:
> On Fri, Apr 22, 2011 at 1:12 AM, David Rientjes <rientjes@...gle.com> wrote:
> >> > diff --git a/init/Kconfig b/init/Kconfig
> >> > index 56240e7..a7ad8fb 100644
> >> > --- a/init/Kconfig
> >> > +++ b/init/Kconfig
> >> > @@ -1226,6 +1226,7 @@ config SLAB
> >> >           per cpu and per node queues.
> >> >
> >> >  config SLUB
> >> > +       depends on BROKEN || NUMA || !DISCONTIGMEM
> >> >         bool "SLUB (Unqueued Allocator)"
> >> >         help
> >> >            SLUB is a slab allocator that minimizes cache line usage
> >>
> >>
> >> I already sent it to linux-arch and there's been no dissent; there have
> >> been a few "will that fix my slub bug?" type of responses.
> >
> > I was concerned about tile because it actually got all this right by using
> > N_NORMAL_MEMORY appropriately and it uses slub by default, but it always
> > enables NUMA at the moment so this won't impact it.
> >
> > Acked-by: David Rientjes <rientjes@...gle.com>
> 
> I'm OK with this Kconfig patch. Can someone send a proper patch with
> signoffs and such? Do we want to tag this for -stable too?

I already did here:

http://marc.info/?l=linux-arch&m=130324857801976

I got the wrong linux-mm email address, though (I thought you were on
vger).

I've got a parisc specific patch already for this (also for stable), so
I can just queue this alongside if everyone's OK with that?

James


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