From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: mbind and alignment
Date: Wed, 4 Apr 2007 14:26:06 +0200 [thread overview]
Message-ID: <20070404122606.GF3638@implementation.labri.fr> (raw)
In-Reply-To: <200704041352.04525.ak@suse.de>
Hi,
Andi Kleen, le Wed 04 Apr 2007 13:52:04 +0200, a écrit :
> > So one of those should probably be done to free people from headaches:
> >
> > - document "start" requirement in the manual page
> > - require len to be aligned too, and document the requirements in the
> > manual page
> > - drop the "start" requirement and just round down the page + adjust
> > size automatically.
>
> This annoyed me in the past too. The kernel should have done that alignment
> by itself. But changing it now would be a bad idea because it would
> produce programs that run on newer kernels but break on olders.
> Documenting it is the only sane option left.
Ok. I already sent a patch to the manpages maintainer.
Samuel
WARNING: multiple messages have this Message-ID (diff)
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: mbind and alignment
Date: Wed, 4 Apr 2007 14:26:06 +0200 [thread overview]
Message-ID: <20070404122606.GF3638@implementation.labri.fr> (raw)
In-Reply-To: <200704041352.04525.ak@suse.de>
Hi,
Andi Kleen, le Wed 04 Apr 2007 13:52:04 +0200, a ecrit :
> > So one of those should probably be done to free people from headaches:
> >
> > - document "start" requirement in the manual page
> > - require len to be aligned too, and document the requirements in the
> > manual page
> > - drop the "start" requirement and just round down the page + adjust
> > size automatically.
>
> This annoyed me in the past too. The kernel should have done that alignment
> by itself. But changing it now would be a bad idea because it would
> produce programs that run on newer kernels but break on olders.
> Documenting it is the only sane option left.
Ok. I already sent a patch to the manpages maintainer.
Samuel
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next prev parent reply other threads:[~2007-04-04 12:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-02 20:42 mbind and alignment Samuel Thibault
2007-04-02 20:42 ` Samuel Thibault
2007-04-03 21:27 ` Chuck Ebbert
2007-04-03 21:27 ` Chuck Ebbert
2007-04-04 11:52 ` Andi Kleen
2007-04-04 11:52 ` Andi Kleen
2007-04-04 12:26 ` Samuel Thibault [this message]
2007-04-04 12:26 ` Samuel Thibault
2007-04-04 17:19 ` Hugh Dickins
2007-04-04 17:19 ` Hugh Dickins
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