From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755109AbaESQ4n (ORCPT ); Mon, 19 May 2014 12:56:43 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:49089 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754869AbaESQ4l (ORCPT ); Mon, 19 May 2014 12:56:41 -0400 Date: Mon, 19 May 2014 09:56:37 -0700 From: Christoph Hellwig To: "Kirill A. Shutemov" Cc: Christoph Hellwig , Kenny Simpson , Michal Hocko , linux-kernel@vger.kernel.org, Andrew Morton , Peter Zijlstra , Dave Jones , Linus Torvalds , Armin Rigo Subject: Re: remap_file_pages() use Message-ID: <20140519165637.GA663@infradead.org> References: <20140519130114.GA3140@dhcp22.suse.cz> <20140519143540.BE9F6E009B@blue.fi.intel.com> <20140519143837.GA5228@infradead.org> <20140519150238.67898E009B@blue.fi.intel.com> <20140519151104.GA16736@infradead.org> <20140519151758.A2162E009B@blue.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140519151758.A2162E009B@blue.fi.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) 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 19, 2014 at 06:17:58PM +0300, Kirill A. Shutemov wrote: > IIUC PyPy uses the syscall in some early prototype and looks like guys are > okay to rework it to mmap() if default sysctl_max_map_count will be high > enough. My point is that we already found a few users just by discussing the issue on lkml, and thus establishing that a) there are users outside of Oracle, and b) there probably will be lots more that we don't even know about.