From: Johannes Weiner <hannes@cmpxchg.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>,
Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Minchan Kim <minchan.kim@gmail.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 0/2] Fix migration races in rmap_walk() V3
Date: Sat, 1 May 2010 15:51:10 +0200 [thread overview]
Message-ID: <20100501135110.GP20640@cmpxchg.org> (raw)
In-Reply-To: <20100430182853.GK22108@random.random>
On Fri, Apr 30, 2010 at 08:28:53PM +0200, Andrea Arcangeli wrote:
> Subject: adapt mprotect to anon_vma chain semantics
>
> From: Andrea Arcangeli <aarcange@redhat.com>
>
> wait_split_huge_page interface changed.
>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
> ---
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -929,7 +929,7 @@ int change_huge_pmd(struct vm_area_struc
> if (likely(pmd_trans_huge(*pmd))) {
> if (unlikely(pmd_trans_splitting(*pmd))) {
> spin_unlock(&mm->page_table_lock);
> - wait_split_huge_page(vma->anon_vma, pmd);
> + wait_split_huge_page(mm, pmd);
That makes mprotect-vma-arg obsolete, I guess.
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>,
Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Minchan Kim <minchan.kim@gmail.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 0/2] Fix migration races in rmap_walk() V3
Date: Sat, 1 May 2010 15:51:10 +0200 [thread overview]
Message-ID: <20100501135110.GP20640@cmpxchg.org> (raw)
In-Reply-To: <20100430182853.GK22108@random.random>
On Fri, Apr 30, 2010 at 08:28:53PM +0200, Andrea Arcangeli wrote:
> Subject: adapt mprotect to anon_vma chain semantics
>
> From: Andrea Arcangeli <aarcange@redhat.com>
>
> wait_split_huge_page interface changed.
>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
> ---
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -929,7 +929,7 @@ int change_huge_pmd(struct vm_area_struc
> if (likely(pmd_trans_huge(*pmd))) {
> if (unlikely(pmd_trans_splitting(*pmd))) {
> spin_unlock(&mm->page_table_lock);
> - wait_split_huge_page(vma->anon_vma, pmd);
> + wait_split_huge_page(mm, pmd);
That makes mprotect-vma-arg obsolete, I guess.
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next prev parent reply other threads:[~2010-05-01 13:51 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-29 8:32 [PATCH 0/2] Fix migration races in rmap_walk() V3 Mel Gorman
2010-04-29 8:32 ` Mel Gorman
2010-04-29 8:32 ` [PATCH 1/2] mm: Take all anon_vma locks in anon_vma_lock Mel Gorman
2010-04-29 8:32 ` Mel Gorman
2010-05-02 17:28 ` Minchan Kim
2010-05-02 17:28 ` Minchan Kim
2010-04-29 8:32 ` [PATCH 2/2] mm,migration: Avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks Mel Gorman
2010-04-29 8:32 ` Mel Gorman
2010-04-29 16:21 ` Andrea Arcangeli
2010-04-29 16:21 ` Andrea Arcangeli
2010-04-30 19:22 ` Andrea Arcangeli
2010-04-30 19:22 ` Andrea Arcangeli
2010-04-30 20:21 ` Rik van Riel
2010-04-30 20:21 ` Rik van Riel
2010-05-01 9:39 ` Andrea Arcangeli
2010-05-01 9:39 ` Andrea Arcangeli
2010-05-01 13:02 ` Rik van Riel
2010-05-01 13:02 ` Rik van Riel
2010-05-02 17:40 ` Minchan Kim
2010-05-02 17:40 ` Minchan Kim
2010-05-02 18:20 ` Andrea Arcangeli
2010-05-02 18:20 ` Andrea Arcangeli
2010-05-04 10:32 ` Mel Gorman
2010-05-04 10:32 ` Mel Gorman
2010-05-04 12:56 ` Andrea Arcangeli
2010-05-04 12:56 ` Andrea Arcangeli
2010-05-04 14:33 ` Mel Gorman
2010-05-04 14:33 ` Mel Gorman
2010-05-04 14:44 ` Andrea Arcangeli
2010-05-04 14:44 ` Andrea Arcangeli
2010-05-02 1:56 ` Christoph Lameter
2010-05-02 1:56 ` Christoph Lameter
2010-05-04 9:45 ` Mel Gorman
2010-05-04 9:45 ` Mel Gorman
2010-05-10 17:41 ` Christoph Lameter
2010-05-10 17:41 ` Christoph Lameter
2010-05-10 17:56 ` Mel Gorman
2010-05-10 17:56 ` Mel Gorman
2010-05-11 13:59 ` Christoph Lameter
2010-05-11 13:59 ` Christoph Lameter
2010-05-11 15:11 ` Mel Gorman
2010-05-11 15:11 ` Mel Gorman
2010-05-11 15:56 ` Christoph Lameter
2010-05-11 15:56 ` Christoph Lameter
2010-05-11 16:15 ` Mel Gorman
2010-05-11 16:15 ` Mel Gorman
2010-05-11 16:29 ` Andrea Arcangeli
2010-05-11 16:29 ` Andrea Arcangeli
2010-05-10 19:05 ` Andrea Arcangeli
2010-05-10 19:05 ` Andrea Arcangeli
2010-05-11 0:10 ` KAMEZAWA Hiroyuki
2010-05-11 0:10 ` KAMEZAWA Hiroyuki
2010-04-30 18:28 ` [PATCH 0/2] Fix migration races in rmap_walk() V3 Andrea Arcangeli
2010-04-30 18:28 ` Andrea Arcangeli
2010-05-01 13:51 ` Johannes Weiner [this message]
2010-05-01 13:51 ` Johannes Weiner
2010-05-03 15:33 ` Andrea Arcangeli
2010-05-03 15:33 ` Andrea Arcangeli
2010-05-03 23:41 ` Johannes Weiner
2010-05-03 23:41 ` Johannes Weiner
2010-05-04 17:35 ` Andrea Arcangeli
2010-05-04 17:35 ` Andrea Arcangeli
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