linux-kernel - Re: [PATCH, RFC] shmat: introduce flag SHM_MAP

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Message-ID: <20081007112157.GA5126@localhost.localdomain>
Date:	Tue, 7 Oct 2008 14:21:58 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Ingo Molnar <mingo@...hat.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH, RFC] shmat: introduce flag SHM_MAP_HINT

On Tue, Oct 07, 2008 at 01:21:19PM +0200, Andi Kleen wrote:
> > Honestly, I don't like that qemu specific feature insert into shmem core.
> 
> I wouldn't say it's a qemu specific interface.  While qemu would 
> be the first user I would expect more in the future. It's a pretty
> obvious extension. In fact it nearly should be default, if the
> risk of breaking old applications wasn't too high.

It's bad idea. It will break POSIX compatible.

-- 
Regards,  Kirill A. Shutemov
 + Belarus, Minsk
 + ALT Linux Team, http://www.altlinux.com/

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