Subject: Re: Supporting sector size != DEV_BSIZE
To: Wojciech Puchar <>
From: Bill Studenmund <>
List: tech-kern
Date: 10/08/2001 06:17:02
On Tue, 9 Oct 2001, Wojciech Puchar wrote:

> > > ignore is the 2352 byte sectors of audio CD:s.
> >
> > The problem (which is the reason I officially abandoned this branch) is
> > that with UBC, the primary data cache is the VM cache, which operates in
> > terms of VM pages (which I belive are 8k for most ports). 2352 byte
> 8k?!
> isn't page size 4kB on x86?

Could be.

> kanyway 2352 byte doesn't fin any page sizea

That is the main point. :-) We have ports with 4k, 8k, and 16k pages. 2352
doesn't fit nicely into any of them.

Take care,