linux-kernel - Re: [PATCH v2 1/2] kmem_cache: include allocators code directly into slab

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Date:	Tue, 30 Oct 2012 15:31:51 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	andi@...stfloor.org
cc:	Pekka Enberg <penberg@...nel.org>,
	Glauber Costa <glommer@...allels.com>, linux-mm@...ck.org,
	JoonSoo Kim <js1304@...il.com>, linux-kernel@...r.kernel.org,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH v2 1/2] kmem_cache: include allocators code directly into
 slab_common

On Fri, 26 Oct 2012, JoonSoo Kim wrote:

> 2012/10/25 Christoph Lameter <cl@...ux.com>:
> > On Wed, 24 Oct 2012, Pekka Enberg wrote:
> >
> >> So I hate this patch with a passion. We don't have any fastpaths in
> >> mm/slab_common.c nor should we. Those should be allocator specific.
> >
> > I have similar thoughts on the issue. Lets keep the fast paths allocator
> > specific until we find a better way to handle this issue.
>
> Okay. I see.
> How about applying LTO not to the whole kernel code, but just to
> slab_common.o + sl[aou]b.o?
> I think that it may be possible, isn't it?

Well.... Andi: Is that possible?
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