Re: [PATCH 11/12] nfs: Prevent page allocator recursions with swapover NFS.

[Rik van Riel]

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@xxxxxxxxx>
> Signed-off-by: Mel Gorman<mgorman@xxxxxxx>

Acked-by: Rik van Riel<riel@xxxxxxxxxx>

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