--On Friday, December 20, 2002 03:11:09 -0800 Andrew Morton
<akpm@digeo.com> wrote:

> Is there anything we can do to fix all of this up a bit?

Ok, here's my first attempt at optimization.  I track how many pte pages a
task has, and just do the copy if it doesn't have more than 3.  My fork
tests show that for a process with 3 pte pages, this patch produces
performance equal to 2.5.52.

Dave McCracken

======================================================================
Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
dmccr@us.ibm.com                                        T/L   678-3059