From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73E69C2D0E4 for ; Tue, 17 Nov 2020 23:43:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C93EB24248 for ; Tue, 17 Nov 2020 23:43:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Omh9HHcu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbgKQXnJ (ORCPT ); Tue, 17 Nov 2020 18:43:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725774AbgKQXnI (ORCPT ); Tue, 17 Nov 2020 18:43:08 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D5E0C0613CF; Tue, 17 Nov 2020 15:43:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=7YHR2e1/LHdcwbDfdQHbOVb5eFvzBWcfcNYNhAMGlwc=; b=Omh9HHcudW9qg6FCeuzA3BMnTT WSKVlVHr8w8CYJdKkd+A42tomHgdm/10sLe2wCJaVvNA24LQR5ORrq5zbBso2mhk0Hh7ZioA9QB1+ cU7h2Y+dRQwcgIzGN42g27nSA5eUpoglHxgDRKuEKdXXa3WoWesnP1B3qzWVi+ZCBXSuk4VYDWlZb Wi57htRt0aTL+bxJfFbUxYOBB1RuMpTSUy6pAxSfRLUy9R2nNfsymiyp/aNear1MjdJP8VFTMF5aV 1stbt+FhLGfRTVrWaeSZ2E/3jrxzN5IW15XYmCpWW04jet7hBK5TW7rFciFenQOAOTUViNLVCLcC2 PG/I7chw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfAco-000461-8J; Tue, 17 Nov 2020 23:43:02 +0000 Date: Tue, 17 Nov 2020 23:43:02 +0000 From: Matthew Wilcox To: Hugh Dickins Cc: Andrew Morton , Jan Kara , William Kucharski , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, hch@lst.de, hannes@cmpxchg.org, yang.shi@linux.alibaba.com, dchinner@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 00/16] Overhaul multi-page lookups for THP Message-ID: <20201117234302.GC29991@casper.infradead.org> References: <20201112212641.27837-1-willy@infradead.org> <20201117153947.GL29991@casper.infradead.org> <20201117191513.GV29991@casper.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201117191513.GV29991@casper.infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 17, 2020 at 07:15:13PM +0000, Matthew Wilcox wrote: > I find both of these functions exceptionally confusing. Does this > make it easier to understand? Never mind, this is buggy. I'll send something better tomorrow.