Subject: Re: ancillary data alignment and binary backward compatibility
To: Jun-ichiro itojun Hagino <itojun@iijlab.net>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-net
Date: 02/26/2000 10:46:33 
On Sun, 27 Feb 2000 03:43:39 +0900 
 Jun-ichiro itojun Hagino <itojun@iijlab.net> wrote:

 > 	- is hardcoded sizeof(long) alignment okay?

Use the ALIGN() macro.

 > 	- do we need to change them in the future?
 > 	- suppose we need to change them over time.  what should we do?
 > 	  have a sysctl variable that returns alignment boundary from the
 > 	  kernel side, and let the userland use the value?

Oh, that sounds like a good idea.

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>