From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f174.google.com (mail-wi0-f174.google.com [209.85.212.174]) by kanga.kvack.org (Postfix) with ESMTP id 22F4D6B0256 for ; Wed, 26 Aug 2015 11:35:45 -0400 (EDT) Received: by wijn1 with SMTP id n1so28385232wij.0 for ; Wed, 26 Aug 2015 08:35:44 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id ba6si5813273wjb.54.2015.08.26.08.35.43 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 26 Aug 2015 08:35:44 -0700 (PDT) Subject: Re: [PATCH v7 3/6] mm: Introduce VM_LOCKONFAULT References: <20150812115909.GA5182@dhcp22.suse.cz> <20150819213345.GB4536@akamai.com> <20150820075611.GD4780@dhcp22.suse.cz> <20150820170309.GA11557@akamai.com> <20150821072552.GF23723@dhcp22.suse.cz> <20150821183132.GA12835@akamai.com> <20150825134154.GB6285@dhcp22.suse.cz> <20150825142902.GF17005@akamai.com> <20150825185829.GA10222@dhcp22.suse.cz> <20150825190300.GG17005@akamai.com> <20150826072016.GD25196@dhcp22.suse.cz> From: Vlastimil Babka Message-ID: <55DDDCCD.5000908@suse.cz> Date: Wed, 26 Aug 2015 17:35:41 +0200 MIME-Version: 1.0 In-Reply-To: <20150826072016.GD25196@dhcp22.suse.cz> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko , Eric B Munson Cc: Andrew Morton , Jonathan Corbet , "Kirill A. Shutemov" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, linux-api@vger.kernel.org On 08/26/2015 09:20 AM, Michal Hocko wrote: > On Tue 25-08-15 15:03:00, Eric B Munson wrote: > [...] >> Would you drop your objections to the VMA flag if I drop the portions of >> the patch that expose it to userspace? >> >> The rework to not use the VMA flag is pretty sizeable and is much more >> ugly IMO. I know that you are not wild about using bit 30 of 32 for >> this, but perhaps we can settle on not exporting it to userspace so we >> can reclaim it if we really need it in the future? > > Yes, that would be definitely more acceptable for me. I do understand > that you are not wild about changing mremap behavior. +1 -- 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