From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
bob.picco@hp.com, nacc@us.ibm.com,
kamezawa.hiroyu@jp.fujitsu.com, mel@skynet.ie,
akpm@linux-foundation.org, Balbir Singh <balbir@in.ibm.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
lkml <linux-kernel@vger.kernel.org>,
ckrm-tech <ckrm-tech@lists.sourceforge.net>
Subject: Re: Regression in 2.6.23-rc2-mm2, mounting cpusets causes a hang
Date: Tue, 14 Aug 2007 17:41:25 -0400 [thread overview]
Message-ID: <1187127685.6281.139.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.64.0708141427150.31693@schroedinger.engr.sgi.com>
On Tue, 2007-08-14 at 14:28 -0700, Christoph Lameter wrote:
> On Tue, 14 Aug 2007, Serge E. Hallyn wrote:
>
> > CONFIG_NODES_SHIFT was unset, so MAX_NUMNODES=1, so
> > node_state() and node_set_state() are dummies.
>
> Ok then you did not have a NUMA system configured. So its okay for the
> dummies to ignore the stuff. CONFIG_NODES_SHIFT is a constant and does not
> change. The first bit is always set.
The first bit [node 0] is only set for the N_ONLINE [and N_POSSIBLE]
mask. We could add the static init for the other masks, but since
non-numa platforms are going through the __build_all_zonelists, they
might as well set the MEMORY bits explicitly. Or, maybe you'll
disagree ;-).
Lee
next prev parent reply other threads:[~2007-08-14 22:13 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-12 15:21 Regression in 2.6.23-rc2-mm2, mounting cpusets causes a hang Dhaval Giani
2007-08-13 20:12 ` Serge E. Hallyn
2007-08-14 15:03 ` Lee Schermerhorn
2007-08-14 18:03 ` Serge E. Hallyn
2007-08-14 18:13 ` Lee Schermerhorn
2007-08-14 19:23 ` Serge E. Hallyn
2007-08-14 20:49 ` Serge E. Hallyn
2007-08-14 21:07 ` Lee Schermerhorn
2007-08-14 21:28 ` Christoph Lameter
2007-08-14 21:41 ` Lee Schermerhorn [this message]
2007-08-14 21:56 ` Christoph Lameter
2007-08-15 13:43 ` Lee Schermerhorn
2007-08-15 14:31 ` Serge E. Hallyn
2007-08-15 16:23 ` Lee Schermerhorn
2007-08-15 16:31 ` Serge E. Hallyn
2007-08-15 16:52 ` Dhaval Giani
2007-08-15 17:08 ` Serge E. Hallyn
2007-08-15 18:07 ` Lee Schermerhorn
2007-08-15 20:39 ` Christoph Lameter
2007-08-16 13:26 ` Lee Schermerhorn
2007-08-16 19:14 ` Christoph Lameter
2007-08-15 20:38 ` Christoph Lameter
2007-08-15 16:31 ` Paul Jackson
2007-08-15 16:29 ` Paul Jackson
2007-08-15 17:12 ` Serge E. Hallyn
2007-08-15 18:00 ` Lee Schermerhorn
2007-08-15 18:33 ` Andrew Morton
2007-08-31 16:54 ` [ckrm-tech] " Paul Menage
2007-08-16 4:46 ` Paul Menage
2007-08-15 20:36 ` Christoph Lameter
2007-08-15 20:48 ` Lee Schermerhorn
2007-08-16 2:36 ` [ckrm-tech] " Paul Jackson
2007-08-14 21:37 ` Lee Schermerhorn
2007-08-14 21:39 ` Christoph Lameter
2007-08-14 21:01 ` Lee Schermerhorn
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