Re: [RFC][PATCH] fix move/migrate_pages() race on task struct

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To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
From: Christoph Lameter <cl@xxxxxxxxxx>
Date: Wed, 29 Feb 2012 14:33:06 -0600 (CST)
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
Delivered-to: linux-mm-outgoing@xxxxxxxxx
Delivered-to: int-list-linux-mm@xxxxxxxxx
Delivered-to: linux-mm@xxxxxxxxx
In-reply-to: <20120229123120.127e21fd.akpm@linux-foundation.org>
User-agent: Alpine 2.00 (DEB 1167 2008-08-23)

On Wed, 29 Feb 2012, Andrew Morton wrote:

> What was the user-visible impact of the bug?

THis was an oops reported by Dave Hansen after he inserted some loops in
the code to trigger a race condition.

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References:
- [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Dave Hansen
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Dave Hansen
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Dave Hansen
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Eric W. Biederman
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Dave Hansen
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Dave Hansen
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Eric W. Biederman
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Eric W. Biederman
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Christoph Lameter
- Re: [RFC][PATCH] fix move/migrate_pages() race on task struct
  - From: Andrew Morton

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