Re: [BUG] fatal hang untarring 90GB file, possibly writeback related.

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On Tue, 2011-05-10 at 11:21 +0100, Mel Gorman wrote:
> I really would like to hear if the fix makes a big difference or
> if we need to consider forcing SLUB high-order allocations bailing
> at the first sign of trouble (e.g. by masking out __GFP_WAIT in
> allocate_slab). Even with the fix applied, kswapd might be waking up
> less but processes will still be getting stalled in direct compaction
> and direct reclaim so it would still be jittery.

"the fix" being this

In addition to your GFP_KSWAPD one?

OK, will retry with that.


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