lkml.org 
[lkml]   [2010]   [Apr]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] mm,migration: Avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks
On 04/30/2010 03:22 PM, Andrea Arcangeli wrote:
> I'm building a mergeable THP+memory compaction tree ready for mainline
> merging based on new anon-vma code, so I'm integrating your patch1 and
> this below should be the port of my alternate fix to your patch2 to
> fix the longstanding crash in migrate (not a bug in new anon-vma code
> but longstanding). patch1 is instead about the bugs introduced by the
> new anon-vma code that might crash migrate (even without memory
> compaction and/or THP) the same way as the bug fixed by the below.
>
> ==
> Subject: fix race between shift_arg_pages and rmap_walk
>
> From: Andrea Arcangeli<aarcange@redhat.com>

Reviewed-by: Rik van Riel <riel@redhat.com>

--
All rights reversed


\
 
 \ /
  Last update: 2010-04-30 22:25    [W:0.113 / U:0.448 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site