Subject: Re: M_EXT_PAGES
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Frank van der Linden <fvdl@netbsd.org>
List: tech-kern
Date: 06/05/2004 15:57:53
On Sat, Jun 05, 2004 at 04:47:17PM +0900, YAMAMOTO Takashi wrote:
> eventual goals are:
> - delay pmap_kenter_pa() until it's really needed.
> (likely on the first mtod()?)
> if you're lucky enough, no pmap_kenter_pa() is needed at all.
> - use mbufs (or something similar) for disk i/o.
The patch looks ok to me. Avoiding mapping things into kva for
I/O is a good goal, and I wholeheartedly support it. Using mbufs
or similar for I/O to streamline I/O paths is also a very good thing.
- Frank