From: Ingo Molnar <mingo@kernel.org>
To: Rik van Riel <riel@redhat.com>
Cc: Ni zhan Chen <nizhan.chen@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Linux Memory Management List <linux-mm@kvack.org>,
Mel Gorman <mel@csn.ul.ie>,
Linux kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: question on NUMA page migration
Date: Sun, 21 Oct 2012 14:31:47 +0200 [thread overview]
Message-ID: <20121021123147.GB19229@gmail.com> (raw)
In-Reply-To: <5083608E.6040209@redhat.com>
* Rik van Riel <riel@redhat.com> wrote:
> On 10/20/2012 10:39 PM, Ni zhan Chen wrote:
> >On 10/19/2012 11:53 PM, Rik van Riel wrote:
> >>Hi Andrea, Peter,
> >>
> >>I have a question on page refcounting in your NUMA
> >>page migration code.
> >>
> >>In Peter's case, I wonder why you introduce a new
> >>MIGRATE_FAULT migration mode. If the normal page
> >>migration / compaction logic can do without taking
> >>an extra reference count, why does your code need it?
> >
> >Hi Rik van Riel,
> >
> >This is which part of codes? Why I can't find MIGRATE_FAULT in latest
> >v3.7-rc2?
>
> It is in tip.git in the numa/core branch.
The Git access URI is:
git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core
git clone git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core
Thanks,
Ingo
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WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Rik van Riel <riel@redhat.com>
Cc: Ni zhan Chen <nizhan.chen@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Linux Memory Management List <linux-mm@kvack.org>,
Mel Gorman <mel@csn.ul.ie>,
Linux kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: question on NUMA page migration
Date: Sun, 21 Oct 2012 14:31:47 +0200 [thread overview]
Message-ID: <20121021123147.GB19229@gmail.com> (raw)
In-Reply-To: <5083608E.6040209@redhat.com>
* Rik van Riel <riel@redhat.com> wrote:
> On 10/20/2012 10:39 PM, Ni zhan Chen wrote:
> >On 10/19/2012 11:53 PM, Rik van Riel wrote:
> >>Hi Andrea, Peter,
> >>
> >>I have a question on page refcounting in your NUMA
> >>page migration code.
> >>
> >>In Peter's case, I wonder why you introduce a new
> >>MIGRATE_FAULT migration mode. If the normal page
> >>migration / compaction logic can do without taking
> >>an extra reference count, why does your code need it?
> >
> >Hi Rik van Riel,
> >
> >This is which part of codes? Why I can't find MIGRATE_FAULT in latest
> >v3.7-rc2?
>
> It is in tip.git in the numa/core branch.
The Git access URI is:
git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core
git clone git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core
Thanks,
Ingo
next prev parent reply other threads:[~2012-10-21 12:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-19 15:53 question on NUMA page migration Rik van Riel
2012-10-19 15:53 ` Rik van Riel
2012-10-19 16:39 ` Peter Zijlstra
2012-10-19 16:39 ` Peter Zijlstra
2012-10-19 17:13 ` Rik van Riel
2012-10-19 17:13 ` Rik van Riel
2012-10-19 17:53 ` Peter Zijlstra
2012-10-19 17:53 ` Peter Zijlstra
2012-10-19 18:33 ` Rik van Riel
2012-10-19 18:33 ` Rik van Riel
2012-10-20 1:23 ` Ingo Molnar
2012-10-20 1:23 ` Ingo Molnar
2012-10-20 16:02 ` Rik van Riel
2012-10-20 16:02 ` Rik van Riel
2012-10-21 12:30 ` Ingo Molnar
2012-10-21 12:30 ` Ingo Molnar
2012-10-21 2:39 ` Ni zhan Chen
2012-10-21 2:39 ` Ni zhan Chen
2012-10-21 2:40 ` Rik van Riel
2012-10-21 2:40 ` Rik van Riel
2012-10-21 12:31 ` Ingo Molnar [this message]
2012-10-21 12:31 ` Ingo Molnar
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