Subject: Re: Supporting sector size != DEV_BSIZE
To: Wojciech Puchar <>
From: Jared D. McNeill <>
List: tech-kern
Date: 10/09/2001 16:39:54
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?

Some of the later x86 processors support 4MB page sizes as well. For 
some reason I seem to remember that the Cyrix 6x86 also shipped with 
experimental support for variable sized pages, but it never took off..