On Tue, Apr 08, 2014 at 09:16:49AM -0700, H. Peter Anvin wrote: > On 04/08/2014 09:02 AM, Konrad Rzeszutek Wilk wrote: > >>> > >>> Amazon EC2 does have large memory instance types with NUMA exposed to > >>> the guest (e.g. c3.8xlarge, i2.8xlarge, etc), so it'd be preferable > >>> (to me anyway) if we didn't require !XEN. > > > > What about the patch that David Vrabel posted: > > > > http://osdir.com/ml/general/2014-03/msg41979.html > > > > Has anybody taken it for a spin? > > > > Oh lovely, more pvops in low level paths. I'm so thrilled. > > Incidentally, I wasn't even Cc:'d on that patch and was only added to > the thread by Linus, but never saw the early bits of the thread > including the actual patch. > I posted an alternative to that patch that confines the damage to the NUMA pte helpers. -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>