Re: objrmap and vmtruncate

Benjamin LaHaise
2003-04-06T09:26:03Z

On Sat, Apr 05, 2003 at 03:25:24PM -0800, William Lee Irwin III wrote:
> I apparently erred when I claimed this kind of test would not provide
> useful figures of merit for page replacement algorithms. There appears
> to be more to life than picking the right pages.

This is precisely the conclusion which davem and myself came to, and
explained at the beginning of this whole ordeal. It all boils down to
the complexity of the algorithm, and the fact that the number of cache
misses scales with that.

Can we get on with merging pgcl to mitigate some of the rmap costs now? ;-)

-ben