linux-kernel - Re: [PATCH 2/3] mm/slab_common: commonize slab merge logic

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Message-ID: <20140826022359.GB1035@js1304-P5Q-DELUXE>
Date:	Tue, 26 Aug 2014 11:23:59 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mm/slab_common: commonize slab merge logic

On Mon, Aug 25, 2014 at 10:27:58AM -0500, Christoph Lameter wrote:
> On Thu, 21 Aug 2014, Joonsoo Kim wrote:
> 
> > +static int __init setup_slab_nomerge(char *str)
> > +{
> > +	slab_nomerge = 1;
> > +	return 1;
> > +}
> > +__setup("slub_nomerge", setup_slab_nomerge);
> 
> Uhh.. You would have to specify "slub_nomerge" to get slab to not merge
> slab caches?

Should fix it. How about following change?

#ifdef CONFIG_SLUB
__setup("slub_nomerge", setup_slab_nomerge);
#endif

__setup("slab_nomerge", setup_slab_nomerge);

This makes "slab_nomerge" works for all SL[aou]B.

Thanks.
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