linux-kernel - Re: [PATCH v3 5/9] slab: introduce alien

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Message-Id: <20140701151547.fa67354878399575c8eb4647@linux-foundation.org>
Date:	Tue, 1 Jul 2014 15:15:47 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Vladimir Davydov <vdavydov@...allels.com>
Subject: Re: [PATCH v3 5/9] slab: introduce alien_cache

On Tue,  1 Jul 2014 17:27:34 +0900 Joonsoo Kim <iamjoonsoo.kim@....com> wrote:

> -static struct array_cache **alloc_alien_cache(int node, int limit, gfp_t gfp)
> +static struct alien_cache *__alloc_alien_cache(int node, int entries,
> +						int batch, gfp_t gfp)
> +{
> +	int memsize = sizeof(void *) * entries + sizeof(struct alien_cache);

nit: all five memsizes in slab.c have type `int'.  size_t would be more
appropriate.

> +	struct alien_cache *alc = NULL;
> +
> +	alc = kmalloc_node(memsize, gfp, node);
> +	init_arraycache(&alc->ac, entries, batch);
> +	return alc;
> +}
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