From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Christoph Lameter <christoph@lameter.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
Andi Kleen <andi@firstfloor.org>,
Eric Dumazet <dada1@cosmosbay.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux kernel <linux-kernel@vger.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;)
Date: Mon, 2 Apr 2007 17:31:07 -0700 [thread overview]
Message-ID: <20070403003107.GB31026@linux-os.sc.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0704021722300.20493@graphe.net>
On Mon, Apr 02, 2007 at 05:23:20PM -0700, Christoph Lameter wrote:
> 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?
With this patch, nr_node_ids on non NUMA will also be '1' and
as before nr_node_ids is same as num_possible_nodes()
thanks,
suresh
next prev parent reply other threads:[~2007-04-03 0:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-20 17:12 [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to_slab(objp); nodeid = slabp->nodeid; Eric Dumazet
2007-03-20 19:54 ` Christoph Lameter
2007-03-20 21:32 ` Andi Kleen
2007-03-20 22:09 ` Eric Dumazet
2007-03-21 0:16 ` Christoph Lameter
2007-03-21 6:27 ` Eric Dumazet
2007-03-21 6:57 ` [PATCH] SLAB : Use num_possible_cpus() in enable_cpucache() Eric Dumazet
2007-03-21 7:21 ` [PATCH] SLAB : Dont allocate empty shared caches Eric Dumazet
2007-03-21 13:13 ` Pekka Enberg
2007-03-21 13:02 ` [PATCH] SLAB : Use num_possible_cpus() in enable_cpucache() Pekka Enberg
2007-03-21 18:45 ` Christoph Lameter
2007-03-21 7:03 ` [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to_slab(objp); nodeid = slabp->nodeid; Christoph Lameter
2007-03-21 7:14 ` Eric Dumazet
2007-03-21 14:35 ` Christoph Lameter
2007-03-21 0:18 ` Christoph Lameter
2007-03-21 2:44 ` Andi Kleen
2007-03-21 3:10 ` Christoph Lameter
2007-03-22 21:28 ` non-NUMA cache_free_alien() (was Re: [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to_slab(objp); nodeid = slabp->nodeid;) Siddha, Suresh B
2007-03-22 22:10 ` Christoph Lameter
2007-03-22 22:12 ` Eric Dumazet
2007-03-22 22:40 ` Siddha, Suresh B
2007-03-22 22:56 ` Eric Dumazet
2007-03-23 1:25 ` Christoph Lameter
2007-03-23 14:14 ` Andi Kleen
2007-03-23 14:12 ` Andi Kleen
2007-04-02 22:55 ` Siddha, Suresh B
2007-04-03 0:23 ` Christoph Lameter
2007-04-03 0:31 ` Siddha, Suresh B [this message]
2007-04-09 18:01 ` [patch 1/2] x86_64: set node_possible_map at runtime Siddha, Suresh B
2007-04-09 18:07 ` [patch 2/2] slab, x86_64: skip cache_free_alien() on non NUMA Siddha, Suresh B
2007-04-09 20:23 ` [patch 1/2] x86_64: set node_possible_map at runtime Andrew Morton
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