linux-kernel - Re: non-NUMA cache_free_alien() (was Re: [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to

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Date:	Mon, 2 Apr 2007 17:23:20 -0700 (PDT)
From:	Christoph Lameter <christoph@...eter.com>
To:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
cc:	Andi Kleen <andi@...stfloor.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: non-NUMA cache_free_alien() (was Re: [RFC] SLAB : NUMA
 cache_free_alien() very expensive because of virt_to_slab(objp); nodeid =
 slabp->nodeid;)

On Mon, 2 Apr 2007, Siddha, Suresh B wrote:

> Set the node_possible_map at runtime. On a non NUMA system,
> num_possible_nodes() will now say '1'

How does this relate to nr_node_ids?

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