linux-kernel - Re: [PATCH 1/4] slub: change declare of get

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Message-ID: <alpine.DEB.2.00.1206081401090.28466@router.home>
Date:	Fri, 8 Jun 2012 14:02:11 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Joonsoo Kim <js1304@...il.com>
cc:	Pekka Enberg <penberg@...nel.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 1/4] slub: change declare of get_slab() to inline at all
 times

On Sat, 9 Jun 2012, Joonsoo Kim wrote:

> -static struct kmem_cache *get_slab(size_t size, gfp_t flags)
> +static __always_inline struct kmem_cache *get_slab(size_t size, gfp_t flags)

I thought that the compiler felt totally free to inline static functions
at will? This may be a matter of compiler optimization settings. I can
understand the use of always_inline in a header file but why in a .c file?


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