pahole - Finding holes in kernel structs

[Julian Stacey]

Hi,
Reference:
> From:		Jille Timmermans <jille at quis.cx> 
> Date:		Thu, 12 Feb 2009 17:34:23 +0100 
> Message-id:	<49944F8F.5080104 at quis.cx> 

Jille Timmermans wrote:
> Julian Stacey schreef:
> >> 1) Is it worth my time trying to rearrange structs? 
> > 
> > I wondered whether as a sensitivity test, some version of gcc (or
> > its competitor ?) might have capability to automatically re-order
> > variables ?  but found nothing in man gcc "Optimization Options".
> There is a __packed attribute, I don't know what it exactly does and 
> whether it is an improvement.

Ah: 	gcc -fpack-struct

Cheers,
Julian
-- 
Julian Stacey: BSDUnixLinux C Prog Admin SysEng Consult Munich www.berklix.com
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