Date: Tue, 11 Nov 2014 10:59:03 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Jerome Glisse <j.glisse@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>, Joerg Roedel <joro@8bytes.org>,
        Mel Gorman <mgorman@suse.de>, "H. Peter Anvin" <hpa@zytor.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Johannes Weiner <jweiner@redhat.com>,
        Larry Woodman <lwoodman@redhat.com>, Rik van Riel <riel@redhat.com>,
        Dave Airlie <airlied@redhat.com>, Brendan Conoboy <blc@redhat.com>,
        Joe Donohue <jdonohue@redhat.com>, Duncan Poole <dpoole@nvidia.com>,
        Sherry Cheung <SCheung@nvidia.com>, Subhash Gutti <sgutti@nvidia.com>,
        John Hubbard <jhubbard@nvidia.com>,
        Mark Hairgrove <mhairgrove@nvidia.com>,
        Lucien Dunning <ldunning@nvidia.com>,
        Cameron Buschardt <cabuschardt@nvidia.com>,
        Arvind Gopalakrishnan <arvindg@nvidia.com>,
        Shachar Raindel <raindel@mellanox.com>,
        Liran Liss <liranl@mellanox.com>,
        Roland Dreier <roland@purestorage.com>,
        Ben Sander <ben.sander@amd.com>, Greg Stoner <Greg.Stoner@amd.com>,
        John Bridgman <John.Bridgman@amd.com>,
        Michael Mantor <Michael.Mantor@amd.com>,
        Paul Blinzer <Paul.Blinzer@amd.com>,
        Laurent Morichetti <Laurent.Morichetti@amd.com>,
        Alexander Deucher <Alexander.Deucher@amd.com>,
        Oded Gabbay <Oded.Gabbay@amd.com>,
        =?iso-8859-1?B?Suly9G1l?= Glisse <jglisse@redhat.com>
Subject: Re: [PATCH 3/5] lib: lockless generic and arch independent page
 table (gpt) v2.
Message-ID: <20141111095903.GH10501@worktop.programming.kicks-ass.net>
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On Mon, Nov 10, 2014 at 09:45:33PM -0500, Jerome Glisse wrote:
> All the complexity arise from two things, first the need to keep ad-hoc
> link btw directory level to facilitate iteration over range.

btw means "by the way" not "between", use a dictionary some time.
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