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>
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