From: Rafael Aquini <aquini@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Stephen Wilson <wilsons@start.ca>,
Andrea Arcangeli <aarcange@redhat.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/mempolicy.c: make sys_mbind & sys_set_mempolicy aware of task_struct->mems_allowed
Date: Thu, 4 Aug 2011 19:07:24 -0300 [thread overview]
Message-ID: <20110804220723.GB4388@optiplex.tchesoft.com> (raw)
In-Reply-To: <m2d3gm0we2.fsf@firstfloor.org>
Howdy folks,
On Wed, Aug 03, 2011 at 06:59:33PM -0700, Andi Kleen wrote:
> Rafael Aquini <aquini@redhat.com> writes:
>
> > Among several other features enabled when CONFIG_CPUSETS is defined,
> > task_struct is enhanced with the nodemask_t mems_allowed element that
> > serves to register/report on which memory nodes the task may obtain
> > memory. Also, two new lines that reflect the value registered at
> > task_struct->mems_allowed are added to the '/proc/[pid]/status' file:
>
> As Christoph said this was intentionally designed this way. Originally
> there was some consideration of "relative policies", but that is not
> implemented and had various issues.
>
> They're orthogonal mechanisms.
I'd like to thank you all for taking time to look at my proposal, and
providing such a good fix for my misconceptions.
I really appreciate all your feedback.
Cheers!
--
Rafael Azenha Aquini <aquini@redhat.com>
Software Maintenance Engineer
Red Hat, Inc.
+55 51 3392.6288 / +55 51 9979.8008
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prev parent reply other threads:[~2011-08-04 22:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-03 12:37 [PATCH] mm/mempolicy.c: make sys_mbind & sys_set_mempolicy aware of task_struct->mems_allowed Rafael Aquini
2011-08-03 14:19 ` Christoph Lameter
2011-08-04 1:59 ` Andi Kleen
2011-08-04 22:07 ` Rafael Aquini [this message]
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