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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux