From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 8 Oct 2008 13:46:04 +0100 From: Alan Cox Subject: Re: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT_FIXED Message-ID: <20081008134604.27d3eb7a@lxorguk.ukuu.org.uk> In-Reply-To: <20081008110243.GN7971@one.firstfloor.org> References: <20081007211038.GQ20740@one.firstfloor.org> <20081008000518.13f48462@lxorguk.ukuu.org.uk> <20081007232059.GU20740@one.firstfloor.org> <20081008004030.7a0e9915@lxorguk.ukuu.org.uk> <20081007235737.GD7971@one.firstfloor.org> <20081008093424.4e88a3c2@lxorguk.ukuu.org.uk> <20081008084350.GI7971@one.firstfloor.org> <20081008095851.01790b6a@lxorguk.ukuu.org.uk> <20081008091112.GK7971@one.firstfloor.org> <20081008112037.6fa37c0b@lxorguk.ukuu.org.uk> <20081008110243.GN7971@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: KOSAKI Motohiro , "Kirill A. Shutemov" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Ingo Molnar , Arjan van de Ven , Hugh Dickins , Ulrich Drepper , Andrew Morton List-ID: > > kernel is not to provide nappies for people who think programming is too > > hard but to provide services that can be used to build applications. > > Outsourcing kernel locking to user space is not the way to go. You mean like say flock, O_APPEND ... Putting stuff in user space is good, it means we don't carry tons of never used app specific crap in the kernel, in every users kernel, unpageable and basically unused. Alan -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org