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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 1A784C43603 for ; Wed, 11 Dec 2019 15:56:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E26C32073B for ; Wed, 11 Dec 2019 15:56:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=shutemov-name.20150623.gappssmtp.com header.i=@shutemov-name.20150623.gappssmtp.com header.b="DvI4fA5z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732621AbfLKP4v (ORCPT ); Wed, 11 Dec 2019 10:56:51 -0500 Received: from mail-lf1-f65.google.com ([209.85.167.65]:41918 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731954AbfLKP4r (ORCPT ); Wed, 11 Dec 2019 10:56:47 -0500 Received: by mail-lf1-f65.google.com with SMTP id m30so17068828lfp.8 for ; Wed, 11 Dec 2019 07:56:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=6PtV7kQOM1fs/75JzECVBBE8PJ8+B8ZeI1o5Edfap2c=; b=DvI4fA5zD5ykc+F93pbbfLI6LLKMKikKcit2sq9xYSQuoDU/lKpljdt5C1dBpWlow1 2VS5QmzVGh3LZ/8NbouOtG6R7+KfoItlSbD25+TSP+gP/Fd9hNRCjOnWkSU3bf/HCY+8 ruNKw25vlsTh4eh5vdTwBGiCyZBp5D/hOfKbQcrOE25lM++oLXRHGctYv3kJvmdqLUmx qrWpI4YvsVSsx1UC2HS5kuSPdn1E+eHnfEnGihmzuPENwC8HuFwG3l6beWyTUnWRjc0N WFrS6cTlMlYIuFziVqpWE9ncO/N1DwfPw5yeBYdP5GtK9+BQrMcGBKC/GoGDXM/bpn+B 6Myg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=6PtV7kQOM1fs/75JzECVBBE8PJ8+B8ZeI1o5Edfap2c=; b=f7AMDz/Rt5GkLG32eGxDjywm5cdaUUHDsdhCdo5JZGUAfn/karbc4He9dhdWG4JxnC JbwZTYlHTkweYvk7b31x2MQsW63yXiDtPWF/k8nAW+Uh9q2YoeFDECrtEA0eIjAvruU3 a0clEDdcw2fVGX/JD9sWYvkyQdcvkzOTmHb6LCUuXDsp9YAohPUPhNAf9/AVRKU/I6IU HOtviC2uNYlx5tCvORMSKeW3cWNXA/DnChH6waaexsXeZVko/K1QBLQTK5a094zMkBzP 1IMsuWPwvi3N9f0OOI680PHRmi+dKAVnl4wifidTJbGwl+ODb/WDuMJwhvJGILzqRZzu nBGA== X-Gm-Message-State: APjAAAXqnBj2cPWljiIuQ1MOlCFI3iHFx5BXb+tIB0gH0GvKD0aJRJo1 zoZLgSTXoEu4OsxPuO0oUs4TPZywkgk= X-Google-Smtp-Source: APXvYqyCTQ9D8OEwKjVcU/TL5Sz/kKTkuJLt8p3brBJ+wSapFx+p7jIywRyUGvQEAIGDLPikFwgMWw== X-Received: by 2002:ac2:5c4b:: with SMTP id s11mr2622190lfp.133.1576079805797; Wed, 11 Dec 2019 07:56:45 -0800 (PST) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id 207sm1587045ljj.72.2019.12.11.07.56.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Dec 2019 07:56:45 -0800 (PST) Received: by box.localdomain (Postfix, from userid 1000) id A5866101218; Wed, 11 Dec 2019 18:56:45 +0300 (+03) Date: Wed, 11 Dec 2019 18:56:45 +0300 From: "Kirill A. Shutemov" To: Mircea CIRJALIU - MELIU Cc: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Jerome Glisse , Paolo Bonzini , "aarcange@redhat.com" Subject: Re: [RFC PATCH v1 4/4] mm/gup: flag to limit follow_page() to transhuge pages Message-ID: <20191211155645.pkxphc4uo7ir6pbb@box> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 11, 2019 at 09:29:19AM +0000, Mircea CIRJALIU - MELIU wrote: > Sometimes the user needs to look up a transhuge page mapped at a given address. There is no such examples in the current kernel, right? -- Kirill A. Shutemov