Coda File System

Re: RVM question ...

From: Phil Nelson <>
Date: Wed, 16 Feb 2000 14:17:59 -0800 (PST)
>I am assuming that the initial private mmap fails
>to page in the actual underlying data. The anonymous mapping version
>reads the data, filling in pages in memory while doing that. When the
>file is closed the inode and pages linger around and the second private
>mmap finds these pages already there and doesn't need to trigger paging
>things in form disk anymore.

Ok, so you are talking about a buffer cache having the data.  That is
possible.   I don't know if this related to the rdsinit rvm problem I
was having when I was trying to get rdsinit to use private mapping.

Phil Nelson                    NetBSD:
e-mail:        Coda:    
Received on 2000-02-16 17:48:11