Re: [patch] Reset the high water marks in CPUs pcp list

Christoph Lameter
2005-09-28T21:56:34Z

On Wed, 28 Sep 2005, Rohit Seth wrote:

> On Wed, 2005-09-28 at 14:09 -0700, Christoph Lameter wrote:
> > On Wed, 28 Sep 2005, Rohit Seth wrote:
> >
> > > CONFIG_NUMA needs to be defined for that. And then too for flushing the
> > > remote pages. Also, when are you flushing the local pcps. Also note
> > > that this patch is just bringing the free pages on the pcp list closer
> > > to what used to be the number earlier.
> >
> > What was the reason for the increase of those numbers?
> Bugger batch size to possibly get more physical contiguous pages. That
> indirectly increased the high water marks for the pcps.

I know that Jack and Nick did something with those counts to insure that
page coloring effects are avoided. Would you comment?