Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp2084589yba; Fri, 19 Apr 2019 11:49:44 -0700 (PDT) X-Google-Smtp-Source: APXvYqzbJlXbqZxluJ5o2gLDS6woVzOQ/9kJ7FrHYBW0cjJELnWrKUT71UPpPY8ySrM2yupUU77R X-Received: by 2002:a17:902:e305:: with SMTP id cg5mr5393308plb.112.1555699784460; Fri, 19 Apr 2019 11:49:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555699784; cv=none; d=google.com; s=arc-20160816; b=j1iq6e0QMPyalXjfcAIdY7pijG3qJQ/X7anwRu0E/ekGjtYOdBhfA3R6xp5Ktaq7HZ jwpGFA4EQIsZytQWh4BwDOw00WMVTEVbnYVxQwWKJaUssIJmAjNz3jY8QYNTKOGVfxbx 6F8yo4Vu1Sy3VcA6j0Is0SgausoVMfy0drB+OXjB2PrWqL63iITtdzyrxI92S+8zSRAp o9YAoTu6j+WvTSBEcxKLIcOZk8yB6HzxxfFKWYqocld8W49s34RBjKBj+1Z+duYHzV7Y AZRB5BksFc5vkGEVw/FNbdP8QR090yRFFNCdkRPRM/So6Xcl6e3ViB+15usv6oxWxq5Y u3JQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=2aQ4BdT6XhgSx6vzYFq0iRJFqpD82q1LSZyft1PbNhA=; b=GISvkGkbBUN7sHGEG7vjIO3W0jZPDVbYezVVniPlObB41FS1+4ZzbOgfUPeKikKExH xbIpLzI+8oKLAf5c8g7shVP3QB0awj43LCv4oiSH1cdYNPsHX9C2rCEoLehVht8hkUxb X4l0obaj0HGPx0aK247vZO8GGHemdo6jkNceQXTtCIyJsRw3led3V6UNhdRP4IS+agZu Eie3E5CeZnOojFWcyBfiQrhqrIgcCFEIojEgv2nwY1XmogC//jCCX86zkYXlLcxSoE6w vBpoQAw7wzHjfHO2xSs+3hNrsGroIqyoy9v6+qeGv+ECbSxFAlk6LlrR5OOfpmY96Z8S ldHA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g10si5266162pgs.397.2019.04.19.11.49.28; Fri, 19 Apr 2019 11:49:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728327AbfDSSsi (ORCPT + 99 others); Fri, 19 Apr 2019 14:48:38 -0400 Received: from ms.lwn.net ([45.79.88.28]:40202 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725870AbfDSSsi (ORCPT ); Fri, 19 Apr 2019 14:48:38 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 53A34537; Fri, 19 Apr 2019 18:48:37 +0000 (UTC) Date: Fri, 19 Apr 2019 12:48:36 -0600 From: Jonathan Corbet To: Yang Shi Cc: mhocko@suse.com, kirill.shutemov@linux.intel.com, ziy@nvidia.com, rppt@linux.vnet.ibm.com, akpm@linux-foundation.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] doc: mm: migration doesn't use FOLL_SPLIT anymore Message-ID: <20190419124836.0800991f@lwn.net> In-Reply-To: <1555618624-23957-1-git-send-email-yang.shi@linux.alibaba.com> References: <1555618624-23957-1-git-send-email-yang.shi@linux.alibaba.com> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 19 Apr 2019 04:17:04 +0800 Yang Shi wrote: > When demonstrating FOLL_SPLIT in transhuge document, migration is used > as an example. But, since commit 94723aafb9e7 ("mm: unclutter THP > migration"), the way of THP migration is totally changed. FOLL_SPLIT is > not used by migration anymore due to the change. > > Remove the obsolete example to avoid confusion. > > Cc: Michal Hocko > Cc: Kirill A. Shutemov > Cc: Zi Yan > Cc: Mike Rapoport > Signed-off-by: Yang Shi Applied, thanks. jon