Re: [RFC PATCH] asynchronous page fault.

[Peter Zijlstra]

On Mon, 2009-12-28 at 09:36 +0900, KAMEZAWA Hiroyuki wrote:
> > the hard way
> > is to also incorporate the drop-mmap_sem on blocking patches from a
> > while ago.
> > 
> "drop-mmap_sem if block" is no help for this false-sharing problem.

No but it does help with the problem of RCU-read-lock not being able to
sleep.

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