Subject: Re: clustered pageout of anonymous pages
To: Jason R Thorpe <>
From: Marcelo Tosatti <>
List: tech-kern
Date: 01/23/2001 23:30:06
On Tue, 23 Jan 2001, Jason R Thorpe wrote:

> On Tue, Jan 23, 2001 at 08:00:55PM -0200, Marcelo Tosatti wrote:
>  > I was taking a look at NetBSD's UVM (which is very nice, btw) code and I
>  > have I question about it. Please correct me if I'm wrong.
>  >  
>  > The swap clustering code in vm/vm_pageout.c builds cluster(s) of pages
>  > which are not virtually contiguous in a process(es) address mapping.
> Err... if you're looking at "vm/vm_pageout.c", you're seeing the old
> Mach VM -- UVM is all in uvm/...

Oh, I'm looking uvm/. I meant uvm/vm_pageout.c, sorry.
(uvmpd_scan_inactive() is the function which builds the cluster)