From: Avi Kivity <avi@redhat.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Izik Eidus <ieidus@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kvm@vger.kernel.org, chrisw@redhat.com, izike@qumranet.com
Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another
Date: Tue, 11 Nov 2008 23:39:33 +0200 [thread overview]
Message-ID: <4919FB95.4060105@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0811111522150.27767@quilx.com>
Christoph Lameter wrote:
> page migration requires the page to be on the LRU. That could be changed
> if you have a different means of isolating a page from its page tables.
>
Isn't rmap the means of isolating a page from its page tables? I guess
I'm misunderstanding something.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Izik Eidus <ieidus@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kvm@vger.kernel.org, chrisw@redhat.com, izike@qumranet.com
Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another
Date: Tue, 11 Nov 2008 23:39:33 +0200 [thread overview]
Message-ID: <4919FB95.4060105@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0811111522150.27767@quilx.com>
Christoph Lameter wrote:
> page migration requires the page to be on the LRU. That could be changed
> if you have a different means of isolating a page from its page tables.
>
Isn't rmap the means of isolating a page from its page tables? I guess
I'm misunderstanding something.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
--
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next prev parent reply other threads:[~2008-11-11 21:40 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-11 13:21 [PATCH 0/4] ksm - dynamic page sharing driver for linux Izik Eidus
2008-11-11 13:21 ` Izik Eidus
2008-11-11 13:21 ` [PATCH 1/4] rmap: add page_wrprotect() function, Izik Eidus
2008-11-11 13:21 ` Izik Eidus, Izik Eidus
2008-11-11 13:21 ` [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another Izik Eidus
2008-11-11 13:21 ` Izik Eidus, Izik Eidus
2008-11-11 13:21 ` [PATCH 3/4] add ksm kernel shared memory driver Izik Eidus
2008-11-11 13:21 ` Izik Eidus, Izik Eidus
2008-11-11 13:21 ` [PATCH 4/4] MMU_NOTIFIRES: add set_pte_at_notify() Izik Eidus
2008-11-11 13:21 ` Izik Eidus, Izik Eidus
2008-11-11 20:38 ` [PATCH 3/4] add ksm kernel shared memory driver Andrew Morton
2008-11-11 20:38 ` Andrew Morton
2008-11-11 22:03 ` Andrea Arcangeli
2008-11-11 22:03 ` Andrea Arcangeli
2008-11-11 22:03 ` Jonathan Corbet
2008-11-11 22:03 ` Jonathan Corbet
2008-11-11 22:17 ` Izik Eidus
2008-11-11 22:17 ` Izik Eidus
2008-11-11 22:25 ` Jonathan Corbet
2008-11-11 22:25 ` Jonathan Corbet
2008-11-11 22:31 ` Izik Eidus
2008-11-11 22:31 ` Izik Eidus
2008-11-11 22:30 ` Jonathan Corbet
2008-11-11 22:30 ` Jonathan Corbet
2008-11-11 22:38 ` Izik Eidus
2008-11-11 22:38 ` Izik Eidus
2008-11-11 23:02 ` Izik Eidus
2008-11-11 23:02 ` Izik Eidus
2008-11-11 23:03 ` Andrea Arcangeli
2008-11-11 23:03 ` Andrea Arcangeli
2008-11-11 22:49 ` Avi Kivity
2008-11-11 22:49 ` Avi Kivity
2008-11-11 22:40 ` Valdis.Kletnieks
2008-11-13 6:13 ` Eric Rannaud
2008-11-13 6:13 ` Eric Rannaud
2008-11-11 22:43 ` Avi Kivity
2008-11-11 22:43 ` Avi Kivity
2008-11-11 19:45 ` [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another Andrew Morton
2008-11-11 19:45 ` Andrew Morton
2008-11-11 20:57 ` Izik Eidus
2008-11-11 20:57 ` Izik Eidus
2008-11-11 21:21 ` Christoph Lameter
2008-11-11 21:21 ` Christoph Lameter
2008-11-11 21:23 ` Izik Eidus
2008-11-11 21:23 ` Izik Eidus
2008-11-11 21:31 ` Christoph Lameter
2008-11-11 21:31 ` Christoph Lameter
2008-11-11 21:37 ` Izik Eidus
2008-11-11 21:37 ` Izik Eidus
2008-11-11 22:24 ` Andrea Arcangeli
2008-11-11 22:24 ` Andrea Arcangeli
2008-11-12 2:19 ` KAMEZAWA Hiroyuki
2008-11-12 2:19 ` KAMEZAWA Hiroyuki
2008-11-12 10:05 ` Avi Kivity
2008-11-12 10:05 ` Avi Kivity
2008-11-12 11:11 ` Izik Eidus
2008-11-12 11:11 ` Izik Eidus
2008-11-13 6:11 ` KAMEZAWA Hiroyuki
2008-11-13 6:11 ` KAMEZAWA Hiroyuki
2008-11-13 10:38 ` Izik Eidus
2008-11-13 10:38 ` Izik Eidus
2008-11-13 11:32 ` KAMEZAWA Hiroyuki
2008-11-13 11:32 ` KAMEZAWA Hiroyuki
2008-11-11 21:35 ` Andrea Arcangeli
2008-11-11 21:35 ` Andrea Arcangeli
2008-11-11 21:06 ` Andrea Arcangeli
2008-11-11 21:06 ` Andrea Arcangeli
2008-11-11 21:26 ` Christoph Lameter
2008-11-11 21:26 ` Christoph Lameter
2008-11-11 21:39 ` Avi Kivity [this message]
2008-11-11 21:39 ` Avi Kivity
2008-11-11 21:47 ` Christoph Lameter
2008-11-11 21:47 ` Christoph Lameter
2008-11-11 21:55 ` Izik Eidus
2008-11-11 21:55 ` Izik Eidus
2008-11-11 22:36 ` Avi Kivity
2008-11-11 22:36 ` Avi Kivity
2008-11-11 22:17 ` Andrea Arcangeli
2008-11-11 22:17 ` Andrea Arcangeli
2008-11-11 22:30 ` Christoph Lameter
2008-11-11 22:30 ` Christoph Lameter
2008-11-11 23:17 ` Andrea Arcangeli
2008-11-11 23:17 ` Andrea Arcangeli
2008-11-11 23:25 ` Andrea Arcangeli
2008-11-11 23:25 ` Andrea Arcangeli
2008-11-12 0:27 ` Christoph Lameter
2008-11-12 0:27 ` Christoph Lameter
2008-11-12 2:27 ` Andrea Arcangeli
2008-11-12 2:27 ` Andrea Arcangeli
2008-11-12 3:10 ` Christoph Lameter
2008-11-12 3:10 ` Christoph Lameter
2008-11-12 17:32 ` Andrea Arcangeli
2008-11-12 17:32 ` Andrea Arcangeli
2008-11-12 20:08 ` Lee Schermerhorn
2008-11-12 20:08 ` Lee Schermerhorn
2008-11-12 20:31 ` Christoph Lameter
2008-11-12 20:31 ` Christoph Lameter
2008-11-12 20:27 ` Christoph Lameter
2008-11-12 20:27 ` Christoph Lameter
2008-11-12 22:09 ` Lee Schermerhorn
2008-11-12 22:09 ` Lee Schermerhorn
2008-11-13 2:00 ` Andrea Arcangeli
2008-11-13 2:00 ` Andrea Arcangeli
2008-11-13 2:31 ` Andrea Arcangeli
2008-11-13 2:31 ` Andrea Arcangeli
2008-11-13 4:02 ` Nick Piggin
2008-11-13 4:02 ` Nick Piggin
2008-11-11 19:39 ` [PATCH 1/4] rmap: add page_wrprotect() function, Andrew Morton
2008-11-11 19:39 ` Andrew Morton
2008-11-11 20:38 ` Andrea Arcangeli
2008-11-11 20:38 ` Andrea Arcangeli
2008-11-11 21:01 ` Andrew Morton
2008-11-11 21:01 ` Andrew Morton
2008-11-11 21:17 ` Andrea Arcangeli
2008-11-11 21:17 ` Andrea Arcangeli
2008-11-11 18:30 ` [PATCH 0/4] ksm - dynamic page sharing driver for linux Andrew Morton
2008-11-11 18:30 ` Andrew Morton
2008-11-11 18:48 ` Avi Kivity
2008-11-11 18:48 ` Avi Kivity
2008-11-11 19:08 ` Izik Eidus
2008-11-11 19:08 ` Izik Eidus
2008-11-11 19:11 ` Andrew Morton
2008-11-11 19:11 ` Andrew Morton
2008-11-11 19:18 ` Izik Eidus
2008-11-11 19:18 ` Izik Eidus
2008-11-11 19:32 ` Andrew Morton
2008-11-11 19:32 ` Andrew Morton
2008-11-11 19:52 ` Izik Eidus
2008-11-11 19:52 ` Izik Eidus
2008-11-11 20:08 ` Izik Eidus
2008-11-11 20:08 ` Izik Eidus
2008-11-11 19:29 ` Avi Kivity
2008-11-11 19:29 ` Avi Kivity
2008-11-11 19:55 ` Andrea Arcangeli
2008-11-11 19:55 ` Andrea Arcangeli
2008-11-11 19:07 ` Izik Eidus
2008-11-11 19:07 ` Izik Eidus
2008-11-11 19:20 ` Andrew Morton
2008-11-11 19:20 ` Andrew Morton
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