Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown

Christoph Lameter
2007-01-11T01:40:26Z

On Thu, 11 Jan 2007, David Chinner wrote:

> On Wed, Jan 10, 2007 at 04:43:36PM -0800, Christoph Lameter wrote:
> > You are comparing a debian 2.6.18 standard kernel with your tuned version
> > of 2.6.20-rc3. There may be a lot of differences. Could you get us the
> > config? Or use the same config file and build 2.6.20/18 the same way.
>
> I took the /proc/config.gz from the debian 2.6.18-1 kernel as the
> base config for the 2.6.20-rc3 kernel and did a make oldconfig on
> it to make sure it was valid for the newer kernel but pretty much
> the same. I think that's the right process, so I don't think
> different build configs are the problem here.

Debian may have added extra patches that are not upstream. I see f.e. some
of my post 2.6.18 patches in there.