From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752614AbdEII63 (ORCPT ); Tue, 9 May 2017 04:58:29 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:34309 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752419AbdEII61 (ORCPT ); Tue, 9 May 2017 04:58:27 -0400 Date: Tue, 9 May 2017 01:58:25 -0700 From: Christoph Hellwig To: "prakash.sangappa" Cc: Dave Hansen , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH RFC] hugetlbfs 'noautofill' mount option Message-ID: <20170509085825.GB32555@infradead.org> References: <326e38dd-b4a8-e0ca-6ff7-af60e8045c74@oracle.com> <7ff6fb32-7d16-af4f-d9d5-698ab7e9e14b@intel.com> <03127895-3c5a-5182-82de-3baa3116749e@oracle.com> <22557bf3-14bb-de02-7b1b-a79873c583f1@intel.com> <7677d20e-5d53-1fb7-5dac-425edda70b7b@oracle.com> <48a544c4-61b3-acaf-0386-649f073602b6@intel.com> <476ea1b6-36d1-bc86-fa99-b727e3c2650d@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <476ea1b6-36d1-bc86-fa99-b727e3c2650d@oracle.com> User-Agent: Mutt/1.8.0 (2017-02-23) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 08, 2017 at 03:12:42PM -0700, prakash.sangappa wrote: > Regarding #3 as a general feature, do we want to > consider this and the complexity associated with the > implementation? We have to. Given that no one has exclusive access to hugetlbfs a mount option is fundamentally the wrong interface.