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From: Mel Gorman <mel@csn.ul.ie>
To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Andi Kleen <andi@firstfloor.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Lameter <clameter@sgi.com>, Paul Jackson <pj@sgi.com>,
	David Rientjes <rientjes@google.com>
Subject: Re: [2.6.24-rc8-mm1][regression?] numactl --interleave=all doesn't works on memoryless node.
Date: Tue, 5 Feb 2008 14:31:50 +0000	[thread overview]
Message-ID: <20080205143149.GA4207@csn.ul.ie> (raw)
In-Reply-To: <1202149243.5028.61.camel@localhost>

On (04/02/08 13:20), Lee Schermerhorn didst pronounce:
> > > When the kernel behaviour changes and breaks user space then the kernel
> > > is usually wrong. Cc'ed Lee S. who maintains the kernel code now.
> 
> The memoryless nodes patch series changed a lot of things, so just
> reverting this one area [mpol_check_policy()] probably won't restore the
> prior behavior.  A fully populated node mask is not necessarily a proper
> subset of node_online_map().  And contextualize_policy() also requires
> the mask to be a subset of mems_allowed which also defaults to nodes
> with memory.
> 
> I don't know how Mel Gorman's "two zonelist" series, which is still
> awaiting a window into the -mm tree, affects this behavior.  Those
> patches will certainly be affected by whatever we decide here.
> 

I doubt they'd make a difference to this particular problem.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab

  parent reply	other threads:[~2008-02-05 14:36 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-02  8:12 KOSAKI Motohiro
2008-02-02  9:09 ` Andi Kleen
2008-02-02  9:37   ` KOSAKI Motohiro
2008-02-02 11:30     ` Andi Kleen
2008-02-04 19:03       ` Christoph Lameter
2008-02-04 18:20     ` Lee Schermerhorn
2008-02-05  9:26       ` [2.6.24 regression][BUGFIX] " KOSAKI Motohiro
2008-02-05 21:57         ` Lee Schermerhorn
2008-02-05 22:12           ` Christoph Lameter
2008-02-06 16:00             ` Lee Schermerhorn
2008-02-05 22:15           ` Paul Jackson
2008-02-06  2:17           ` David Rientjes
2008-02-06 16:11             ` Lee Schermerhorn
2008-02-06  6:49           ` KOSAKI Motohiro
2008-02-06 17:38         ` Lee Schermerhorn
2008-02-07  8:31           ` KOSAKI Motohiro
2008-02-08 19:45         ` [PATCH 2.6.24-mm1] Mempolicy: silently restrict nodemask to allowed nodes V3 Lee Schermerhorn
2008-02-09 18:11           ` KOSAKI Motohiro
2008-02-10  5:29           ` KOSAKI Motohiro
2008-02-10  5:49             ` Greg KH
2008-02-10  7:42               ` Linus Torvalds
2008-02-10 10:31                 ` Andrew Morton
2008-02-11 16:47                 ` Lee Schermerhorn
2008-02-12  4:30                   ` [PATCH for 2.6.24][regression fix] " KOSAKI Motohiro
2008-02-12  5:06                     ` David Rientjes
2008-02-12  5:07                     ` Andrew Morton
2008-02-12 13:18                       ` KOSAKI Motohiro
2008-02-05 10:17       ` [2.6.24-rc8-mm1][regression?] numactl --interleave=all doesn't works on memoryless node Paul Jackson
2008-02-05 11:14         ` KOSAKI Motohiro
2008-02-05 19:56         ` David Rientjes
2008-02-05 20:51           ` Paul Jackson
2008-02-05 21:03             ` David Rientjes
2008-02-05 21:33               ` Paul Jackson
2008-02-05 22:04                 ` Lee Schermerhorn
2008-02-05 22:44                   ` David Rientjes
2008-02-05 22:50                   ` Paul Jackson
2008-02-05 14:31       ` Mel Gorman [this message]
2008-02-05 15:23         ` Lee Schermerhorn
2008-02-05 18:12           ` Christoph Lameter
2008-02-05 18:27             ` Lee Schermerhorn
2008-02-05 19:04               ` Christoph Lameter
2008-02-05 19:15                 ` Paul Jackson
2008-02-05 20:06                   ` David Rientjes

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