Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752521AbdC2PGI (ORCPT ); Wed, 29 Mar 2017 11:06:08 -0400 Received: from mx2.suse.de ([195.135.220.15]:39025 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751647AbdC2PGH (ORCPT ); Wed, 29 Mar 2017 11:06:07 -0400 Date: Wed, 29 Mar 2017 08:05:54 -0700 From: Davidlohr Bueso To: Peter Zijlstra Cc: mingo@kernel.org, akpm@linux-foundation.org, jack@suse.cz, kirill.shutemov@linux.intel.com, mhocko@suse.com, mgorman@techsingularity.net, linux-kernel@vger.kernel.org, Davidlohr Bueso Subject: Re: [PATCH 1/5] locking: Introduce range reader/writer lock Message-ID: <20170329150554.GD27446@linux-80c1.suse> References: <1488863010-13028-1-git-send-email-dave@stgolabs.net> <1488863010-13028-2-git-send-email-dave@stgolabs.net> <20170329090852.lcc2viof7stxf7y6@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20170329090852.lcc2viof7stxf7y6@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 566 Lines: 19 On Wed, 29 Mar 2017, Peter Zijlstra wrote: >On Mon, Mar 06, 2017 at 09:03:26PM -0800, Davidlohr Bueso wrote: >> +#define RANGE_RWLOCK_INFINITY (~0UL - 1) > >> +#define DEFINE_RANGE_RWLOCK_INF(name) \ >> + struct range_rwlock name = __RANGE_RWLOCK_INITIALIZER(0, RANGE_RWLOCK_INFINITY) > >> +void range_rwlock_init_inf(struct range_rwlock *lock); > >Ayes I'm a pendant, but that's a very small infinity. I always thought >infinity wasn't enumerable. :-) > >Can we think of a different name here? 'whole' / 'all' / 'full' ? Yeah, I guess 'all' is more suitable.