linux-kernel - Re: [PATCH 04/11] mm/slab: factor out kmem_cache

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Date:	Mon, 28 Mar 2016 19:56:15 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	js1304@...il.com
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 04/11] mm/slab: factor out kmem_cache_node initialization
 code

On Mon, 28 Mar 2016, js1304@...il.com wrote:

> From: Joonsoo Kim <iamjoonsoo.kim@....com>
> -		spin_lock_irq(&n->list_lock);
> -		n->free_limit =
> -			(1 + nr_cpus_node(node)) *
> -			cachep->batchcount + cachep->num;
> -		spin_unlock_irq(&n->list_lock);
> +		ret = init_cache_node(cachep, node, GFP_KERNEL);
> +		if (ret)
> +			return ret;

Drop ret and do a

	return init_cache_node(...);

instead?