From: Rik van Riel <riel@redhat.com>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.osdl.org, frankeh@watson.ibm.com,
akpm@osdl.org, nickpiggin@yahoo.com.au, hugh@veritas.com
Subject: Re: [patch 5/6] Guest page hinting: minor fault optimization.
Date: Wed, 01 Apr 2009 11:33:59 -0400 [thread overview]
Message-ID: <49D38967.8020706@redhat.com> (raw)
In-Reply-To: <20090327151012.713478499@de.ibm.com>
Martin Schwidefsky wrote:
> From: Martin Schwidefsky <schwidefsky@de.ibm.com>
> From: Hubertus Franke <frankeh@watson.ibm.com>
> From: Himanshu Raj
>
> On of the challenges of the guest page hinting scheme is the cost for
> the state transitions. If the cost gets too high the whole concept of
> page state information is in question. Therefore it is important to
> avoid the state transitions when possible.
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Rik van Riel <riel@redhat.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.osdl.org, frankeh@watson.ibm.com,
akpm@osdl.org, nickpiggin@yahoo.com.au, hugh@veritas.com
Subject: Re: [patch 5/6] Guest page hinting: minor fault optimization.
Date: Wed, 01 Apr 2009 11:33:59 -0400 [thread overview]
Message-ID: <49D38967.8020706@redhat.com> (raw)
In-Reply-To: <20090327151012.713478499@de.ibm.com>
Martin Schwidefsky wrote:
> From: Martin Schwidefsky <schwidefsky@de.ibm.com>
> From: Hubertus Franke <frankeh@watson.ibm.com>
> From: Himanshu Raj
>
> On of the challenges of the guest page hinting scheme is the cost for
> the state transitions. If the cost gets too high the whole concept of
> page state information is in question. Therefore it is important to
> avoid the state transitions when possible.
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
next prev parent reply other threads:[~2009-04-01 15:33 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-27 15:09 [patch 0/6] Guest page hinting version 7 Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-03-27 15:09 ` [patch 1/6] Guest page hinting: core + volatile page cache Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-03-27 22:57 ` Rik van Riel
2009-03-27 22:57 ` Rik van Riel
2009-03-29 13:56 ` Martin Schwidefsky
2009-03-29 13:56 ` Martin Schwidefsky
2009-03-29 14:35 ` Rik van Riel
2009-03-29 14:35 ` Rik van Riel
2009-03-27 15:09 ` [patch 2/6] Guest page hinting: volatile swap cache Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-04-01 2:10 ` Rik van Riel
2009-04-01 2:10 ` Rik van Riel
2009-04-01 8:13 ` Martin Schwidefsky
2009-04-01 8:13 ` Martin Schwidefsky
2009-03-27 15:09 ` [patch 3/6] Guest page hinting: mlocked pages Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-04-01 2:52 ` Rik van Riel
2009-04-01 2:52 ` Rik van Riel
2009-04-01 8:13 ` Martin Schwidefsky
2009-04-01 8:13 ` Martin Schwidefsky
2009-03-27 15:09 ` [patch 4/6] Guest page hinting: writable page table entries Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-04-01 13:25 ` Rik van Riel
2009-04-01 13:25 ` Rik van Riel
2009-04-01 14:36 ` Martin Schwidefsky
2009-04-01 14:36 ` Martin Schwidefsky
2009-04-01 14:45 ` Rik van Riel
2009-04-01 14:45 ` Rik van Riel
2009-03-27 15:09 ` [patch 5/6] Guest page hinting: minor fault optimization Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-04-01 15:33 ` Rik van Riel [this message]
2009-04-01 15:33 ` Rik van Riel
2009-03-27 15:09 ` [patch 6/6] Guest page hinting: s390 support Martin Schwidefsky
2009-03-27 15:09 ` Martin Schwidefsky
2009-04-01 16:18 ` Rik van Riel
2009-04-01 16:18 ` Rik van Riel
2009-03-27 23:03 ` [patch 0/6] Guest page hinting version 7 Dave Hansen
2009-03-27 23:03 ` Dave Hansen
2009-03-28 0:06 ` Rik van Riel
2009-03-28 0:06 ` Rik van Riel
2009-03-29 14:20 ` Martin Schwidefsky
2009-03-29 14:20 ` Martin Schwidefsky
2009-03-29 14:38 ` Rik van Riel
2009-03-29 14:38 ` Rik van Riel
2009-03-29 14:12 ` Martin Schwidefsky
2009-03-29 14:12 ` Martin Schwidefsky
2009-03-30 15:54 ` Dave Hansen
2009-03-30 15:54 ` Dave Hansen
2009-03-30 16:34 ` Martin Schwidefsky
2009-03-30 16:34 ` Martin Schwidefsky
2009-03-30 18:37 ` Jeremy Fitzhardinge
2009-03-30 18:37 ` Jeremy Fitzhardinge
2009-03-30 18:42 ` Rik van Riel
2009-03-30 18:42 ` Rik van Riel
2009-03-30 18:59 ` Jeremy Fitzhardinge
2009-03-30 18:59 ` Jeremy Fitzhardinge
2009-03-30 20:02 ` Rik van Riel
2009-03-30 20:02 ` Rik van Riel
2009-03-30 20:35 ` Jeremy Fitzhardinge
2009-03-30 20:35 ` Jeremy Fitzhardinge
2009-03-30 21:38 ` Dor Laor
2009-03-30 21:38 ` Dor Laor
2009-03-30 22:16 ` Izik Eidus
2009-03-30 22:16 ` Izik Eidus
2009-03-28 6:35 ` Rusty Russell
2009-03-28 6:35 ` Rusty Russell
2009-03-29 14:23 ` Martin Schwidefsky
2009-03-29 14:23 ` Martin Schwidefsky
2009-04-02 11:32 ` Nick Piggin
2009-04-02 11:32 ` Nick Piggin
2009-04-02 15:52 ` Martin Schwidefsky
2009-04-02 15:52 ` Martin Schwidefsky
2009-04-02 16:18 ` Jeremy Fitzhardinge
2009-04-02 16:18 ` Jeremy Fitzhardinge
2009-04-02 16:23 ` Nick Piggin
2009-04-02 16:23 ` Nick Piggin
2009-04-02 19:06 ` Rik van Riel
2009-04-02 19:06 ` Rik van Riel
2009-04-02 19:22 ` Nick Piggin
2009-04-02 19:22 ` Nick Piggin
2009-04-02 20:05 ` Rik van Riel
2009-04-02 20:05 ` Rik van Riel
2009-04-03 0:50 ` Jeremy Fitzhardinge
2009-04-03 0:50 ` Jeremy Fitzhardinge
2009-04-02 19:58 ` Jeremy Fitzhardinge
2009-04-02 19:58 ` Jeremy Fitzhardinge
2009-04-02 20:14 ` Rik van Riel
2009-04-02 20:14 ` Rik van Riel
2009-04-02 20:34 ` Jeremy Fitzhardinge
2009-04-02 20:34 ` Jeremy Fitzhardinge
2009-04-03 8:49 ` Martin Schwidefsky
2009-04-03 8:49 ` Martin Schwidefsky
2009-04-03 18:19 ` Jeremy Fitzhardinge
2009-04-03 18:19 ` Jeremy Fitzhardinge
2009-04-06 7:21 ` Martin Schwidefsky
2009-04-06 7:21 ` Martin Schwidefsky
2009-04-06 7:32 ` Nick Piggin
2009-04-06 7:32 ` Nick Piggin
2009-04-06 7:32 ` Nick Piggin
2009-04-06 19:23 ` Jeremy Fitzhardinge
2009-04-06 19:23 ` Jeremy Fitzhardinge
2009-04-02 19:27 ` Hugh Dickins
2009-04-02 19:27 ` Hugh Dickins
-- strict thread matches above, loose matches on Subject: below --
2008-03-12 13:21 [patch 0/6] Guest page hinting version 6 Martin Schwidefsky
2008-03-12 13:21 ` [patch 5/6] Guest page hinting: minor fault optimization Martin Schwidefsky
2007-06-28 16:40 [patch 0/6] resend: guest page hinting version 5 Martin Schwidefsky
2007-06-28 16:40 ` [patch 5/6] Guest page hinting: minor fault optimization Martin Schwidefsky
2007-06-28 16:40 ` Martin Schwidefsky
2007-06-28 16:40 ` Martin Schwidefsky, Martin Schwidefsky, Hubertus Franke, Himanshu Raj
2007-06-28 16:40 ` Martin Schwidefsky
2007-05-11 13:58 [patch 0/6] [rfc] guest page hinting version 5 Martin Schwidefsky
2007-05-11 13:58 ` [patch 5/6] Guest page hinting: minor fault optimization Martin Schwidefsky
2007-05-11 13:58 ` Martin Schwidefsky, Martin Schwidefsky, Hubertus Franke, Himanshu Raj
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