lkml.org 
[lkml]   [2012]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 11/12] nfs: Prevent page allocator recursions with swap over NFS.
On 06/20/2012 05:38 AM, Mel Gorman wrote:
> GFP_NOFS is _more_ permissive than GFP_NOIO in that it will initiate
> IO, just not of any filesystem data.
>
> The problem is that previously NOFS was correct because that avoids
> recursion into the NFS code. With swap-over-NFS, it is no longer
> correct as swap IO can lead to this recursion.
>
> Signed-off-by: Peter Zijlstra<a.p.zijlstra@chello.nl>
> Signed-off-by: Mel Gorman<mgorman@suse.de>

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



\
 
 \ /
  Last update: 2012-06-20 20:21    [W:0.241 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site