Re: [PATCH] change global zonelist order on NUMA v2

[KAMEZAWA Hiroyuki]

On Thu, 26 Apr 2007 08:48:19 -0700 (PDT)
Christoph Lameter <clameter@xxxxxxx> wrote:

> On Thu, 26 Apr 2007, KAMEZAWA Hiroyuki wrote:
> 
> > (1)Use new zonelist ordering always and move init_task's tied cpu to a
> >   cpu on the best node. 
> >   Child processes will start in good nodes even if Node 0 has small memory.
> 
> How about renumbering the nodes? Node 0 is the one with no DMA memory and 
> node 1 may be the one with the DMA? That would take care of things even 
> without core modifications. We can start on node 0 (which hardware 1) and 
> consume the required memory for boot there not impacting the node with the 
> DMA memory.
> 
It seems a bit complicated. If we do so, following can occur,

Node1: cpu0,1,2,3
Node0: cpu4,5,6,7

the system layout will be not imaginable look, maybe.

-Kame

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/