Re: CVS commit: src/sys/arch/xen/x86

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Wed, Mar 03, 2010 at 12:09:03AM +0000, Jean-Yves Migeon wrote:
> Module Name:  src
> Committed By: jym
> Date:         Wed Mar  3 00:09:03 UTC 2010
> 
> Modified Files:
>       src/sys/arch/xen/x86: cpu.c
> 
> Log Message:
> Use roundup2() instead of hardcoding the CACHE_LINE_SIZE rounding
> operation.

OT: these are a little unclear to me. Could someone outline what

        roundup
        roundup2
        rounddown
        howmany

do in their intended usage. I will then document these.

- Jukka.

PS. I posted the same question already to netbsd-docs@.