Re: [Lse-tech] NUMA Linux

[Paul E. M. <pa...@li...>]

On Sun, Nov 18, 2007 at 01:26:41AM -0500, Yang wrote:
> Hi,
> 
> I've been looking at the (very outdated) pages on NUMA Linux. It seems 
> that none of the efforts from 2002-2003 have survived, and that there's 
> very little focus these days on a NUMA-aware Linux.
> 
> The most important part of such a project appears to be in the 
> scheduler. My understanding is that most 2.6 systems today use the O(1) 
> scheduler, and will soon use CFS (when?). Is either one NUMA-aware? Are 
> there currently efforts underway to make Linux (more) NUMA-aware?

There is a fair amount of NUMA functionality in the Linux kernel,
look for the string "CONFIG_NUMA" to find it.  The scheduler and
memory allocator have a reasonable amount of NUMA functionality,
as does parts of the I/O system.

More would be good, of course.  ;-)

> Thanks for any answers.

NP!

						Thanx, Paul