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

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Message-ID: <BANLkTi=JGeWiFm-9H-2vHDsU1v7ykDt1UA@mail.gmail.com>
Date:	Fri, 22 Apr 2011 11:02:10 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	David Rientjes <rientjes@...gle.com>
Cc:	James Bottomley <James.Bottomley@...senpartnership.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, 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?

                         Pekka
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