linux-kernel - Re: [PATCH] delayacct: align to 8 byte boundary on 64-bit systems

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Message-Id: <20100212112912.be58b670.akpm@linux-foundation.org>
Date:	Fri, 12 Feb 2010 11:29:12 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeff Mahoney <jeffm@...e.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>
Subject: Re: [PATCH] delayacct: align to 8 byte boundary on 64-bit systems

On Fri, 12 Feb 2010 14:20:23 -0500
Jeff Mahoney <jeffm@...e.com> wrote:

> > Seems safe enough.  We'd be safer still if we didn't do this on 64-bit
> > architectures which don't need it.  ie: x86_64.  But if we do that we
> > add a risk that people will develop shoddy code which works on x86_64
> > and doesn't work on ia64.
> 
> Is there a way to do that without needlessly complicating things? I
> didn't see any existing infrastructure to do that.

ifdefs?  I don't think it's worth doing, really.  Probably anyone who
wrote an application for this copied the getdelays.c code anyway.
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