Re: [PATCH 0/3] NUMA boot hash allocation interleaving

Brent Casavant
2004-12-14T23:33:56Z

On Tue, 14 Dec 2004, Martin J. Bligh wrote:

> --On Tuesday, December 14, 2004 20:13:48 +0100 Andi Kleen <ak@suse.de> wrote:
>
> > I originally was a bit worried about the TLB usage, but it doesn't
> > seem to be a too big issue (hopefully the benchmarks weren't too
> > micro though)
>
> Well, as long as we stripe on large page boundaries, it should be fine,
> I'd think. On PPC64, it'll screw the SLB, but ... tough ;-) We can either
> turn it off, or only do it on things larger than the segment size, and
> just round-robin the rest, or allocate from node with most free.

Is there a reasonably easy-to-use existing infrastructure to do this?
I didn't find anything in my examination of vmalloc itself, so I gave
up on the idea.

And just to clarify, are you saying you want to see this before inclusion
in mainline kernels, or that it would be nice to have but not necessary?

Thanks,
Brent

--
Brent Casavant If you had nothing to fear,
bcasavan@sgi.com how then could you be brave?
Silicon Graphics, Inc. -- Queen Dama, Source Wars