linux-kernel - Re: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT

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Message-ID: <20081007211038.GQ20740@one.firstfloor.org>
Date:	Tue, 7 Oct 2008 23:10:38 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	"Kirill A. Shutemov" <kirill@...temov.name>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Andi Kleen <andi@...stfloor.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Hugh Dickins <hugh@...itas.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Ulrich Drepper <drepper@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT_FIXED

> Sorry, no.
> This description still doesn't explain why this interface is needed.
> 
> The one of the points is this interface is used by another person or not.
> You should explain how large this interface benefit has.
> 
> Andi kleen explained this interface _can_  be used another one.
> but nobody explain who use it actually.

Anyone who doesn't want to use fixed addresses. 

-Andi

-- 
ak@...ux.intel.com
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