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From: Izik Eidus <izike@qumranet.com>
To: Rik van Riel <riel@redhat.com>
Cc: Andrea Arcangeli <andrea@qumranet.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	kvm-devel@lists.sourceforge.net, Avi Kivity <avi@qumranet.com>,
	clameter@sgi.com, daniel.blueman@quadrics.com, holt@sgi.com,
	steiner@sgi.com, Andrew Morton <akpm@osdl.org>,
	Hugh Dickins <hugh@veritas.com>, Nick Piggin <npiggin@suse.de>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH] mmu notifiers #v2
Date: Wed, 16 Jan 2008 19:48:06 +0200	[thread overview]
Message-ID: <478E4356.7030303@qumranet.com> (raw)
In-Reply-To: <20080116124256.44033d48@bree.surriel.com>

Rik van Riel wrote:
> On Sun, 13 Jan 2008 17:24:18 +0100
> Andrea Arcangeli <andrea@qumranet.com> wrote:
>
>   
>> In my basic initial patch I only track the tlb flushes which should be
>> the minimum required to have a nice linux-VM controlled swapping
>> behavior of the KVM gphysical memory. 
>>     
>
> I have a vaguely related question on KVM swapping.
>
> Do page accesses inside KVM guests get propagated to the host
> OS, so Linux can choose a reasonable page for eviction, or is
> the pageout of KVM guest pages essentially random?
>
>   
right now when kvm remove pte from the shadow cache, it mark as access 
the page that this pte pointed to.
it was a good solution untill the mmut notifiers beacuse the pages were 
pinned and couldnt be swapped to disk
so now it will have to do something more sophisticated or at least mark 
as access every page pointed by pte
that get insrted to the shadow cache....


  reply	other threads:[~2008-01-16 18:12 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-13 16:24 [PATCH] mmu notifiers #v2 Andrea Arcangeli
2008-01-13 21:11 ` Benjamin Herrenschmidt
2008-01-14 20:02 ` Christoph Lameter
2008-01-15  4:28   ` Benjamin Herrenschmidt
2008-01-15 12:44   ` Andrea Arcangeli
2008-01-15 20:18     ` Benjamin Herrenschmidt
2008-01-16  1:06       ` Andrea Arcangeli
2008-01-16  9:01 ` Brice Goglin
2008-01-16 10:19   ` Andrea Arcangeli
2008-01-16 17:42 ` Rik van Riel
2008-01-16 17:48   ` Izik Eidus [this message]
2008-01-17 16:23     ` Andrea Arcangeli
2008-01-17 18:21       ` Izik Eidus
2008-01-17 19:32         ` Andrea Arcangeli
2008-01-21 12:52           ` [PATCH] mmu notifiers #v3 Andrea Arcangeli
2008-01-22  2:21             ` Rik van Riel
2008-01-22 14:12             ` [kvm-devel] " Avi Kivity
2008-01-22 14:43               ` Andrea Arcangeli
2008-01-22 20:08                 ` [kvm-devel] [PATCH] mmu notifiers #v4 Andrea Arcangeli
2008-01-22 20:34                   ` [kvm-devel] [PATCH] export notifier #1 Christoph Lameter
2008-01-22 22:31                     ` Andrea Arcangeli
2008-01-22 22:53                       ` Christoph Lameter
2008-01-23 10:27                         ` Avi Kivity
2008-01-23 10:52                           ` Robin Holt
2008-01-23 12:04                             ` Andrea Arcangeli
2008-01-23 12:34                               ` Robin Holt
2008-01-23 19:48                               ` Christoph Lameter
2008-01-23 19:58                                 ` Robin Holt
2008-01-23 19:47                             ` Christoph Lameter
2008-01-24  5:56                               ` Avi Kivity
2008-01-24 12:26                                 ` Andrea Arcangeli
2008-01-24 12:34                                   ` Avi Kivity
2008-01-23 11:41                         ` Andrea Arcangeli
2008-01-23 12:32                           ` Robin Holt
2008-01-23 17:33                             ` Andrea Arcangeli
2008-01-23 20:27                               ` Christoph Lameter
2008-01-24 15:42                                 ` Andrea Arcangeli
2008-01-24 20:07                                   ` Christoph Lameter
2008-01-25  6:35                                     ` Avi Kivity
2008-01-23 20:18                           ` Christoph Lameter
2008-01-24 14:34                             ` Andrea Arcangeli
2008-01-24 14:41                               ` Andrea Arcangeli
2008-01-24 15:15                               ` Avi Kivity
2008-01-24 15:18                                 ` Avi Kivity
2008-01-24 20:01                               ` Christoph Lameter
2008-01-22 23:36                     ` Benjamin Herrenschmidt
2008-01-23  0:40                       ` Christoph Lameter
2008-01-23  1:21                         ` Robin Holt
2008-01-23 12:51                     ` Gerd Hoffmann
2008-01-23 13:19                       ` Robin Holt
2008-01-23 14:12                         ` Gerd Hoffmann
2008-01-23 14:18                           ` Robin Holt
2008-01-23 14:35                             ` Gerd Hoffmann
2008-01-23 15:48                               ` Robin Holt
2008-01-23 14:17                         ` Avi Kivity
2008-01-24  4:03                           ` Benjamin Herrenschmidt
2008-01-23 15:41                       ` Andrea Arcangeli
2008-01-23 17:47                         ` Gerd Hoffmann
2008-01-24  6:01                           ` Avi Kivity
2008-01-24  6:45                           ` Jeremy Fitzhardinge
2008-01-23 20:40                         ` Christoph Lameter
2008-01-24  2:00                   ` Enhance mmu notifiers to accomplish a lockless implementation (incomplete) Robin Holt
2008-01-24  4:05                     ` Robin Holt
2008-01-22 19:28             ` [PATCH] mmu notifiers #v3 Peter Zijlstra
2008-01-22 20:31               ` Christoph Lameter
2008-01-22 20:31               ` Andrea Arcangeli
2008-01-22 22:10                 ` Hugh Dickins

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