linux-kernel - Re: [PATCH 1/3] mm/slab: use percpu allocator for cpu cache

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Date:	Wed, 27 Aug 2014 18:37:33 -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 1/3] mm/slab: use percpu allocator for cpu cache

One minor nit. Otherwise

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

On Thu, 21 Aug 2014, Joonsoo Kim wrote:

> @@ -2041,56 +1982,63 @@ static size_t calculate_slab_order(struct kmem_cache *cachep,
>  	return left_over;
>  }
>
> +static int alloc_kmem_cache_cpus(struct kmem_cache *cachep, int entries,
> +				int batchcount)
> +{
> +	cachep->cpu_cache = __alloc_kmem_cache_cpus(cachep, entries,
> +							batchcount);
> +	if (!cachep->cpu_cache)
> +		return 1;
> +
> +	return 0;
> +}

Do we really need this trivial function? It doesnt do anything useful as
far as I can tell.
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