From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de ([217.72.192.73]:58054 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752602AbcLOXNE (ORCPT ); Thu, 15 Dec 2016 18:13:04 -0500 From: Arnd Bergmann Subject: Re: [PATCH 3/3] mm: make pagoff_t type 64-bit Date: Sun, 11 Dec 2016 15:59:01 +0100 Message-ID: <2636242.RWRJivuddj@wuerfel> In-Reply-To: <1481461003-14361-4-git-send-email-ynorov@caviumnetworks.com> References: <1481461003-14361-1-git-send-email-ynorov@caviumnetworks.com> <1481461003-14361-4-git-send-email-ynorov@caviumnetworks.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-arch-owner@vger.kernel.org List-ID: To: libc-alpha@sourceware.org Cc: Yury Norov , "Dr. Philipp Tomsich" , Catalin Marinas , linux-arch@vger.kernel.org, LKML , szabolcs.nagy@arm.com, heiko.carstens@de.ibm.com, cmetcalf@ezchip.com, "Joseph S. Myers" , zhouchengming1@huawei.com, "Kapoor, Prasun" , Alexander Graf , geert@linux-m68k.org, kilobyte@angband.pl, manuel.montezelo@gmail.com, Andrew Pinski , linyongting@huawei.com, Alexey Klimov , broonie@kernel.org, "Zhangjian (Bamvor)" , linux-arm-kernel , Maxim Kuvyrkov , Nathan Lynch , Martin Schwidefsky , davem@davemloft.net, christoph.muellner@theobroma-systems.com Message-ID: <20161211145901.108-0bICxn_vopZVDNhXYZe_FOoe8JVqbUYx6r61-6Q@z> On Sunday, December 11, 2016 6:26:42 PM CET Yury Norov wrote: > Also fix related interfaces > > Signed-off-by: Yury Norov > --- > fs/btrfs/extent_io.c | 2 +- > fs/ext2/dir.c | 4 ++-- > include/linux/mm.h | 9 +++++---- > include/linux/radix-tree.h | 8 ++++---- > include/linux/types.h | 2 +- > lib/radix-tree.c | 8 ++++---- > mm/debug.c | 2 +- > mm/internal.h | 2 +- > mm/memory.c | 4 ++-- > mm/mmap.c | 7 ++++--- > mm/readahead.c | 4 ++-- > mm/util.c | 3 ++- > 12 files changed, 29 insertions(+), 26 deletions(-) > Thanks Yury for the demonstration. I think this would put the nail in the coffin of the idea of mmap64 even for Pavel, who didn't seem convinced already. Changing all those interfaces and structure, struct page in particular, is clearly too costly for any advantage we might have otherwise gained. Arnd