Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752942AbdLMMZi (ORCPT ); Wed, 13 Dec 2017 07:25:38 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:55526 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752772AbdLMMZe (ORCPT ); Wed, 13 Dec 2017 07:25:34 -0500 Date: Wed, 13 Dec 2017 04:25:33 -0800 From: Matthew Wilcox To: Michal Hocko Cc: linux-api@vger.kernel.org, Khalid Aziz , Michael Ellerman , Andrew Morton , Russell King - ARM Linux , Andrea Arcangeli , linux-mm@kvack.org, LKML , linux-arch@vger.kernel.org, Florian Weimer , John Hubbard , Abdul Haleem , Joel Stanley , Kees Cook , Michal Hocko Subject: Re: [PATCH v2 0/2] mm: introduce MAP_FIXED_SAFE Message-ID: <20171213122533.GA2384@bombadil.infradead.org> References: <20171213092550.2774-1-mhocko@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171213092550.2774-1-mhocko@kernel.org> User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 675 Lines: 13 On Wed, Dec 13, 2017 at 10:25:48AM +0100, Michal Hocko wrote: > I am afraid we can bikeshed this to death and there will still be > somebody finding yet another better name. Therefore I've decided to > stick with my original MAP_FIXED_SAFE. Why? Well, because it keeps the > MAP_FIXED prefix which should be recognized by developers and _SAFE > suffix should also be clear that all dangerous side effects of the old > MAP_FIXED are gone. I liked basically every other name suggested more than MAP_FIXED_SAFE. "Safe against what?" was an important question. MAP_AT_ADDR was the best suggestion I saw that wasn't one of mine. Of my suggestions, I liked MAP_STATIC the best.