Subject: Re: Processes RSS stops growing
To: Chuck Silvers <>
From: Thor Lancelot Simon <>
List: current-users
Date: 11/10/2001 02:16:13
On Fri, Nov 09, 2001 at 10:09:39PM -0800, Chuck Silvers wrote:
> the "RSS" value is not counting pages in memory, it's counting the number
> of pmap entries for the process, which is only an approximation of the
> number of pages that the process cares about which might in memory.
> it's probably a pretty good approximation, though.
> if this is all anonymous memory allocated with malloc(), you can adjust
> the sysctl knob for "vm.anonmin" to be more like 75 instead of the
> default value of 10.  I don't know what the total effect of this will
> on your machine, though.

Okay, I really, really don't understand.  He has a 1GB machine, on which
he is running a process with a 700MB working set, and *no matter what* it
can't get more than 300MB resident without tweaking VM system parameters?

That seems so incredibly wrong I don't know what else to say.