RE: [PATCH 0/7] Sparsemem Virtual Memmap V5

Christoph Lameter
2007-07-13T22:54:25Z

On Fri, 13 Jul 2007, Luck, Tony wrote:

> > How many tests were done and on what platform?
>
> Andy's part 0/7 post starts off with the performance numbers. He
> didn't say which ia64 platform was used for the tests.
>
> Looking my logs for the last few kernel builds (some built on a
> tiger_defconfig kernel which uses CONFIG_VIRTUAL_MEM_MAP=y, and
> some with the new CONFIG_SPARSEMEM_VMEMMAP) I'd have a tough time
> saying whether there was a regression or not).

I'd be very surprised if there is any difference because the IA64 code for
virtual memmap is the source of ideas and implementation for SPARSE_VIRTUAL.