Re: Accessing > 256MB RAM on O2

Masao Uebayashi <[email protected]> Tue, 10 Mar 2009 12:07:49 +0900
Newsgroups gmane.os.netbsd.ports.sgimips
Message-ID <[email protected]>
Hi!

>   http://ftp.netbsd.org/pub/NetBSD/misc/jmcneill/grandlarceny.patch
>
> Once booted, create /dev/crime and configure swap:
>
>   $ sudo mknod /dev/crime b 15 2
>   $ sudo chmod 640 /dev/crime
>   $ sudo swapctl -a /dev/crime
>
> This gives me access to the additional 192MB of RAM on my 448MB O2.

The patch looks reasonable to me.  I think this is worth commiting if it's
marked as a hack and it can be changed easily when better solution is available.

BTW, OpenBSD has himem(4) driver which does similar thing.

Masao