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Date: Mon, 27 Jan 2014 10:16:20 -0600 (CST)
From: Christoph Lameter <cl@linux.com>
To: David Rientjes <rientjes@google.com>
Subject: Re: [PATCH] slub: Don't throw away partial remote slabs if there is
 no local memory
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Cc: Han Pingtian <hanpt@linux.vnet.ibm.com>,
 Nishanth Aravamudan <nacc@linux.vnet.ibm.com>, penberg@kernel.org,
 linux-mm@kvack.org, paulus@samba.org, Anton Blanchard <anton@samba.org>,
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On Fri, 24 Jan 2014, David Rientjes wrote:

> kmalloc_node(nid) and kmem_cache_alloc_node(nid) should fallback to nodes
> other than nid when memory can't be allocated, these functions only
> indicate a preference.

The nid passed indicated a preference unless __GFP_THIS_NODE is specified.
Then the allocation must occur on that node.