Subject: Re: UVM and PMAP_NEW and top(1)
To: Gunnar Helliesen <>
From: Manuel Bouyer <>
List: port-i386
Date: 05/26/1998 10:45:52
On May 26, Gunnar Helliesen wrote
> I've just upgraded my "test system" at home (P90, 64M, IDE) to -current
> as of May 23. Feeling adventurous I built a new kernel with UVM and
> After rebuilding the usual suspects (libkvm, ps, w, top etc.) things
> seem to be working nicely. Just one oddity, top(1) omits the "Wired"
> count of the memory stats like so:
> Memory: 9064K Act 4248K Inact K Wired 41M Free 4K Swap 128M Swap free

You'll note that 'systat vmstat' report a negative count for wired pages too.

> No big deal, just thought it was odd.
> Is it just me, or is program loading much faster? It sure _feels_
> faster. vi(1) and top(1) are up and running almost before I hit Enter...
> ;-)

Well, i've done some measurements on kernel compile time, it's a few % faster
too (not very expressive, most of the time comes from disk I/O), and
the machine feels more responsive when running a 'make -j3' under X.

Manuel Bouyer, LIP6, Universite Paris VI.