From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 640196B0390 for ; Wed, 12 Apr 2017 12:18:42 -0400 (EDT) Received: by mail-wr0-f200.google.com with SMTP id p111so3504487wrc.10 for ; Wed, 12 Apr 2017 09:18:42 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id p191si8802376wmd.27.2017.04.12.09.18.40 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 12 Apr 2017 09:18:40 -0700 (PDT) Date: Wed, 12 Apr 2017 09:18:29 -0700 From: Davidlohr Bueso Subject: Re: [PATCH] mm,hugetlb: compute page_size_log properly Message-ID: <20170412161829.GA16422@linux-80c1.suse> References: <1488992761-9464-1-git-send-email-dave@stgolabs.net> <20170328165343.GB27446@linux-80c1.suse> <20170328165513.GC27446@linux-80c1.suse> <20170328175408.GD7838@bombadil.infradead.org> <20170329080625.GC27994@dhcp22.suse.cz> <20170329174514.GB4543@tassilo.jf.intel.com> <20170330061245.GA1972@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20170330061245.GA1972@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: Andi Kleen , Matthew Wilcox , akpm@linux-foundation.org, mtk.manpages@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Davidlohr Bueso , khandual@linux.vnet.ibm.com On Thu, 30 Mar 2017, Michal Hocko wrote: >On Wed 29-03-17 10:45:14, Andi Kleen wrote: >> On Wed, Mar 29, 2017 at 10:06:25AM +0200, Michal Hocko wrote: >> > >> > Do we actually have any users? >> >> Yes this feature is widely used. > >Considering that none of SHM_HUGE* has been exported to the userspace >headers all the users would have to use the this flag by the value and I >am quite skeptical that application actually do that. Could you point me >to some projects that use this? Hmm Andrew, if there's not one example, could you please pick up this patch? Thanks, Davidlohr -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754479AbdDLQSm (ORCPT ); Wed, 12 Apr 2017 12:18:42 -0400 Received: from mx2.suse.de ([195.135.220.15]:60172 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752695AbdDLQSl (ORCPT ); Wed, 12 Apr 2017 12:18:41 -0400 Date: Wed, 12 Apr 2017 09:18:29 -0700 From: Davidlohr Bueso To: Michal Hocko Cc: Andi Kleen , Matthew Wilcox , akpm@linux-foundation.org, mtk.manpages@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Davidlohr Bueso , khandual@linux.vnet.ibm.com Subject: Re: [PATCH] mm,hugetlb: compute page_size_log properly Message-ID: <20170412161829.GA16422@linux-80c1.suse> Mail-Followup-To: Michal Hocko , Andi Kleen , Matthew Wilcox , akpm@linux-foundation.org, mtk.manpages@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Davidlohr Bueso , khandual@linux.vnet.ibm.com References: <1488992761-9464-1-git-send-email-dave@stgolabs.net> <20170328165343.GB27446@linux-80c1.suse> <20170328165513.GC27446@linux-80c1.suse> <20170328175408.GD7838@bombadil.infradead.org> <20170329080625.GC27994@dhcp22.suse.cz> <20170329174514.GB4543@tassilo.jf.intel.com> <20170330061245.GA1972@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20170330061245.GA1972@dhcp22.suse.cz> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 30 Mar 2017, Michal Hocko wrote: >On Wed 29-03-17 10:45:14, Andi Kleen wrote: >> On Wed, Mar 29, 2017 at 10:06:25AM +0200, Michal Hocko wrote: >> > >> > Do we actually have any users? >> >> Yes this feature is widely used. > >Considering that none of SHM_HUGE* has been exported to the userspace >headers all the users would have to use the this flag by the value and I >am quite skeptical that application actually do that. Could you point me >to some projects that use this? Hmm Andrew, if there's not one example, could you please pick up this patch? Thanks, Davidlohr