linux-kernel - Re: [PATCH 1/5] mm/slab_common: move kmem

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Message-ID: <alpine.DEB.2.11.1408210913370.32524@gentwo.org>
Date:	Thu, 21 Aug 2014 09:14:24 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....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 1/5] mm/slab_common: move kmem_cache definition to internal
 header

On Thu, 21 Aug 2014, Joonsoo Kim wrote:

> We don't need to keep kmem_cache definition in include/linux/slab.h
> if we don't need to inline kmem_cache_size(). According to my
> code inspection, this function is only called at lc_create() in
> lib/lru_cache.c which may be called at initialization phase of something,
> so we don't need to inline it. Therfore, move it to slab_common.c and
> move kmem_cache definition to internal header.
>
> After this change, we can change kmem_cache definition easily without
> full kernel build. For instance, we can turn on/off CONFIG_SLUB_STATS
> without full kernel build.

Wow. I did not realize that we were already at that point.

Acked-by: Christoph Lameter <cl@...ux.com>
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