From: Andi Kleen <ak@suse.de>
To: Hugh Dickins <hugh@veritas.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Robin Holt <holt@sgi.com>, Christoph Lameter <clameter@sgi.com>
Subject: Re: tmpfs and numa mempolicy
Date: Mon, 4 Jun 2007 15:43:23 +0200 [thread overview]
Message-ID: <200706041543.24516.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0706041307560.12071@blonde.wat.veritas.com>
> I've appended a patch to check node_online_map below, and update
> tmpfs.txt accordingly.
Looks good to me.
> But it looks to me like mempolicy.c normally never lets a nonline
> node get into any of its policies, and it would be a bit tedious,
> error-prone and unnecessary overhead to relax that: so tmpfs mount
> is at present a dangerous exception in this regard.
>
> Would you be happy with this change, Robin? I'm not very NUMArate:
> do nodes in fact ever get onlined after early system startup?
Currently not, but at some point they might be. But then there will
be quite a lot of code to fix for that anyways so don't let it stop
you here.
-Andi
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next prev parent reply other threads:[~2007-06-04 13:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-04 3:30 Randy Dunlap
2007-06-04 12:43 ` Hugh Dickins
2007-06-04 13:17 ` Robin Holt
2007-06-04 13:43 ` Andi Kleen [this message]
2007-06-04 16:44 ` Randy Dunlap
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