Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu access overhead

Christoph Lameter
2007-11-01T22:16:51Z

On Thu, 1 Nov 2007, David Miller wrote:

> From: Christoph Lameter <clameter@sgi.com>
> Date: Thu, 1 Nov 2007 15:11:41 -0700 (PDT)
>
> > On Thu, 1 Nov 2007, David Miller wrote:
> >
> > > The remaining issue with accessing per-cpu areas at multiple virtual
> > > addresses is D-cache aliasing.
> >
> > But that is not an issue for physicallly mapped caches.
>
> Right but I'd like to use this on sparc64 which has L1 D-cache
> aliasing on some chips :-)

Hmmm... re my message I just send. Then we have to return the memory with
the virtual address not with the physical address on sparc. May result in
zones with holes though.