From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id CF7CD6B0038 for ; Mon, 2 Nov 2015 16:40:39 -0500 (EST) Received: by pabfh17 with SMTP id fh17so35786089pab.0 for ; Mon, 02 Nov 2015 13:40:39 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id uz5si37727829pac.230.2015.11.02.13.40.39 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Nov 2015 13:40:39 -0800 (PST) Date: Mon, 2 Nov 2015 13:40:38 -0800 From: Andrew Morton Subject: Re: [PATCH] mm/hugetlbfs Fix bugs in fallocate hole punch of areas with holes Message-Id: <20151102134038.7a326c583375364ece570173@linux-foundation.org> In-Reply-To: <56379FC2.8000803@oracle.com> References: <007901d1139a$030b0440$09210cc0$@alibaba-inc.com> <56350014.2040800@oracle.com> <013501d11519$2e5e6940$8b1b3bc0$@alibaba-inc.com> <56379FC2.8000803@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mike Kravetz Cc: Hillf Danton , linux-mm@kvack.org, 'linux-kernel' , 'Hugh Dickins' , 'Dave Hansen' , 'Naoya Horiguchi' , 'Davidlohr Bueso' On Mon, 2 Nov 2015 09:39:14 -0800 Mike Kravetz wrote: > On 11/01/2015 06:50 PM, Hillf Danton wrote: > > Andrew, please correct me if I miss/mess anything. > > > >>> This hunk is already in the next tree, see below please. > >>> > >> > >> Ah, the whole series to add shmem like code to handle hole punch/fault > >> races is in the next tree. It has been determined that most of this > >> series is not necessary. For the next tree, ideally the following > >> should happen: > >> - revert the series > >> 0830d5afd4ab69d01cf5ceba9b9f2796564c4eb6 > >> 4e0a78fea078af972276c2d3aeaceb2bac80e033 > >> 251c8a023a0c639725e014a612e8c05a631ce839 > >> 03bcef375766af4db12ec783241ac39f8bf5e2b1 > >> - Add this patch (if Ack'ed/reviewed) to fix remove_inode_hugepages > >> - Add a new patch for the handle hole punch/fault race. It modifies > >> same code as this patch, so I have not sent out until this is Ack'ed. > >> > >> I will admit that I do not fully understand how maintainers manage their > >> trees and share patches. If someone can make suggestions on how to handle > >> this situation (create patches against what tree? send patches to who?), > >> I will be happy to make it happen. > >> > > The rule is to prepare patches against the next tree and deliver patches to > > linux-mm with AKPM, linux-kernel cced. The authors and maintainers of the > > current code your patches change should also be cced. > > And those guys you want to get ack and comments. > > > > In this case, you should first ask Andrew to withdraw the 4 commits. > > Then send your new patches, one after another, one problem a patch. > > > > Best Wishes > > Hillf > > Andrew, > > As mentioned above, it has been determined that most of the series titled > "[PATCH v2 0/4] hugetlbfs fallocate hole punch race with page faults" is > unnecessary. Ideally, we want to remove this entire series from mmotm and > linux-next. It will be replaced with a simpler patch. I dropped them all. > However, before that happens I would like to address bugs in the current > code as pointed out by Hugh Dickins. These are addresses in the patch > which started this thread: > "[PATCH] mm/hugetlbfs Fix bugs in fallocate hole punch of areas with holes" And merged that. With a note reminding myself to get a Hugh ack ;) -- 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