Re: [PATCH 3/4] mm: gup: use get_user_pages_fast and get_user_pages_unlocked

[Andrea Arcangeli]

On Thu, Oct 09, 2014 at 12:52:45PM +0200, Peter Zijlstra wrote:
> On Wed, Oct 01, 2014 at 10:56:36AM +0200, Andrea Arcangeli wrote:
> > Just an optimization.
> 
> Does it make sense to split the thing in two? One where you apply
> _unlocked and then one where you apply _fast?

Yes but I already dropped the _fast optimization, as the latency
enhancements to gup_fast were NAKed earlier in this thread. So this
patch has already been updated to only apply _unlocked.

http://git.kernel.org/cgit/linux/kernel/git/andrea/aa.git/commit/?id=bc2e0473b601c6a330ddb4adbcf4c048b2233d4e
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