From: Andrea Arcangeli <aarcange@redhat.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>, Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Minchan Kim <minchan.kim@gmail.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 3/3] mm,migration: Remove straggling migration PTEs when page tables are being moved after the VMA has already moved
Date: Wed, 28 Apr 2010 03:36:59 +0200 [thread overview]
Message-ID: <20100428013659.GL510@random.random> (raw)
In-Reply-To: <20100428101858.1da1d2ed.kamezawa.hiroyu@jp.fujitsu.com>
On Wed, Apr 28, 2010 at 10:18:58AM +0900, KAMEZAWA Hiroyuki wrote:
> BTW, page->index is not updated, we just keep [start_address, pgoff] to be
> sane value.
yes I corrected myself too, the end result is the same and adjusting
the new vma vm_pgoff available in the anon-vma list is obviously
faster and simpler. When the src and dst ranges don't overlap and
src_vma != dst_vma (vma, new_vma in code) things are a lot simpler
there...
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>, Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Minchan Kim <minchan.kim@gmail.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 3/3] mm,migration: Remove straggling migration PTEs when page tables are being moved after the VMA has already moved
Date: Wed, 28 Apr 2010 03:36:59 +0200 [thread overview]
Message-ID: <20100428013659.GL510@random.random> (raw)
In-Reply-To: <20100428101858.1da1d2ed.kamezawa.hiroyu@jp.fujitsu.com>
On Wed, Apr 28, 2010 at 10:18:58AM +0900, KAMEZAWA Hiroyuki wrote:
> BTW, page->index is not updated, we just keep [start_address, pgoff] to be
> sane value.
yes I corrected myself too, the end result is the same and adjusting
the new vma vm_pgoff available in the anon-vma list is obviously
faster and simpler. When the src and dst ranges don't overlap and
src_vma != dst_vma (vma, new_vma in code) things are a lot simpler
there...
--
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next prev parent reply other threads:[~2010-04-28 1:38 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-27 21:30 [PATCH 0/3] Fix migration races in rmap_walk() V2 Mel Gorman
2010-04-27 21:30 ` Mel Gorman
2010-04-27 21:30 ` [PATCH 1/3] mm,migration: During fork(), wait for migration to end if migration PTE is encountered Mel Gorman
2010-04-27 21:30 ` Mel Gorman
2010-04-27 22:22 ` Andrea Arcangeli
2010-04-27 22:22 ` Andrea Arcangeli
2010-04-27 23:52 ` KAMEZAWA Hiroyuki
2010-04-27 23:52 ` KAMEZAWA Hiroyuki
2010-04-28 0:18 ` Andrea Arcangeli
2010-04-28 0:18 ` Andrea Arcangeli
2010-04-28 0:19 ` Andrea Arcangeli
2010-04-28 0:19 ` Andrea Arcangeli
2010-04-28 0:28 ` KAMEZAWA Hiroyuki
2010-04-28 0:28 ` KAMEZAWA Hiroyuki
2010-04-28 0:59 ` Andrea Arcangeli
2010-04-28 0:59 ` Andrea Arcangeli
2010-04-28 8:24 ` Mel Gorman
2010-04-28 8:24 ` Mel Gorman
2010-04-27 21:30 ` [PATCH 2/3] mm,migration: Prevent rmap_walk_[anon|ksm] seeing the wrong VMA information Mel Gorman
2010-04-27 21:30 ` Mel Gorman
2010-04-27 23:10 ` Andrea Arcangeli
2010-04-27 23:10 ` Andrea Arcangeli
2010-04-28 9:15 ` Mel Gorman
2010-04-28 9:15 ` Mel Gorman
2010-04-28 15:35 ` Andrea Arcangeli
2010-04-28 15:35 ` Andrea Arcangeli
2010-04-28 15:39 ` Andrea Arcangeli
2010-04-28 15:39 ` Andrea Arcangeli
2010-04-28 15:55 ` Mel Gorman
2010-04-28 15:55 ` Mel Gorman
2010-04-28 16:23 ` Andrea Arcangeli
2010-04-28 16:23 ` Andrea Arcangeli
2010-04-28 17:34 ` Mel Gorman
2010-04-28 17:34 ` Mel Gorman
2010-04-28 17:58 ` Andrea Arcangeli
2010-04-28 17:58 ` Andrea Arcangeli
2010-04-28 17:47 ` [RFC PATCH] take all anon_vma locks in anon_vma_lock Rik van Riel
2010-04-28 17:47 ` Rik van Riel
2010-04-28 18:03 ` Andrea Arcangeli
2010-04-28 18:03 ` Andrea Arcangeli
2010-04-28 18:09 ` Rik van Riel
2010-04-28 18:09 ` Rik van Riel
2010-04-28 18:25 ` [RFC PATCH -v2] " Rik van Riel
2010-04-28 18:25 ` Rik van Riel
2010-04-28 19:07 ` Mel Gorman
2010-04-28 19:07 ` Mel Gorman
2010-04-28 20:17 ` [RFC PATCH -v3] " Rik van Riel
2010-04-28 20:17 ` Rik van Riel
2010-04-28 20:57 ` Rik van Riel
2010-04-28 20:57 ` Rik van Riel
2010-04-29 0:28 ` Minchan Kim
2010-04-29 0:28 ` Minchan Kim
2010-04-29 2:10 ` Rik van Riel
2010-04-29 2:10 ` Rik van Riel
2010-04-29 2:55 ` Minchan Kim
2010-04-29 2:55 ` Minchan Kim
2010-04-29 6:42 ` Minchan Kim
2010-04-29 6:42 ` Minchan Kim
2010-04-29 15:39 ` Rik van Riel
2010-04-29 15:39 ` Rik van Riel
2010-04-29 7:37 ` Mel Gorman
2010-04-29 7:37 ` Mel Gorman
2010-04-29 8:15 ` Mel Gorman
2010-04-29 8:15 ` Mel Gorman
2010-04-29 8:32 ` Minchan Kim
2010-04-29 8:32 ` Minchan Kim
2010-04-29 8:44 ` Mel Gorman
2010-04-29 8:44 ` Mel Gorman
2010-04-27 21:30 ` [PATCH 3/3] mm,migration: Remove straggling migration PTEs when page tables are being moved after the VMA has already moved Mel Gorman
2010-04-27 21:30 ` Mel Gorman
2010-04-27 22:30 ` Andrea Arcangeli
2010-04-27 22:30 ` Andrea Arcangeli
2010-04-27 22:58 ` Andrea Arcangeli
2010-04-27 22:58 ` Andrea Arcangeli
2010-04-28 0:39 ` KAMEZAWA Hiroyuki
2010-04-28 0:39 ` KAMEZAWA Hiroyuki
2010-04-28 1:05 ` Andrea Arcangeli
2010-04-28 1:05 ` Andrea Arcangeli
2010-04-28 1:09 ` Andrea Arcangeli
2010-04-28 1:09 ` Andrea Arcangeli
2010-04-28 1:18 ` KAMEZAWA Hiroyuki
2010-04-28 1:18 ` KAMEZAWA Hiroyuki
2010-04-28 1:36 ` Andrea Arcangeli [this message]
2010-04-28 1:36 ` Andrea Arcangeli
2010-04-28 1:29 ` KAMEZAWA Hiroyuki
2010-04-28 1:29 ` KAMEZAWA Hiroyuki
2010-04-28 1:44 ` Andrea Arcangeli
2010-04-28 1:44 ` Andrea Arcangeli
2010-04-28 2:12 ` KAMEZAWA Hiroyuki
2010-04-28 2:12 ` KAMEZAWA Hiroyuki
2010-04-28 2:42 ` Andrea Arcangeli
2010-04-28 2:42 ` Andrea Arcangeli
2010-04-28 2:49 ` KAMEZAWA Hiroyuki
2010-04-28 2:49 ` KAMEZAWA Hiroyuki
2010-04-28 7:28 ` KAMEZAWA Hiroyuki
2010-04-28 7:28 ` KAMEZAWA Hiroyuki
2010-04-28 10:48 ` Mel Gorman
2010-04-28 10:48 ` Mel Gorman
2010-04-28 0:03 ` KAMEZAWA Hiroyuki
2010-04-28 0:03 ` KAMEZAWA Hiroyuki
2010-04-28 0:08 ` Andrea Arcangeli
2010-04-28 0:08 ` Andrea Arcangeli
2010-04-28 0:36 ` KAMEZAWA Hiroyuki
2010-04-28 0:36 ` KAMEZAWA Hiroyuki
2010-04-28 8:30 ` KAMEZAWA Hiroyuki
2010-04-28 8:30 ` KAMEZAWA Hiroyuki
2010-04-28 14:46 ` Andrea Arcangeli
2010-04-28 14:46 ` Andrea Arcangeli
2010-04-27 22:27 ` [PATCH 0/3] Fix migration races in rmap_walk() V2 Christoph Lameter
2010-04-27 22:27 ` Christoph Lameter
2010-04-27 22:32 ` Andrea Arcangeli
2010-04-27 22:32 ` Andrea Arcangeli
2010-04-28 0:13 ` KAMEZAWA Hiroyuki
2010-04-28 0:13 ` KAMEZAWA Hiroyuki
2010-04-28 0:20 ` Andrea Arcangeli
2010-04-28 0:20 ` Andrea Arcangeli
2010-04-28 14:23 ` Mel Gorman
2010-04-28 14:23 ` Mel Gorman
2010-04-28 14:57 ` Mel Gorman
2010-04-28 14:57 ` Mel Gorman
2010-04-28 15:16 ` Andrea Arcangeli
2010-04-28 15:16 ` Andrea Arcangeli
2010-04-28 15:23 ` Mel Gorman
2010-04-28 15:23 ` Mel Gorman
2010-04-28 15:45 ` Andrea Arcangeli
2010-04-28 15:45 ` Andrea Arcangeli
2010-04-28 20:40 ` Andrea Arcangeli
2010-04-28 20:40 ` Andrea Arcangeli
2010-04-28 21:05 ` Andrea Arcangeli
2010-04-28 21:05 ` Andrea Arcangeli
2010-04-28 9:17 ` Mel Gorman
2010-04-28 9:17 ` Mel Gorman
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