From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id EF7E46B04E6 for ; Thu, 7 Sep 2017 11:09:20 -0400 (EDT) Received: by mail-wm0-f70.google.com with SMTP id e64so1731544wmi.0 for ; Thu, 07 Sep 2017 08:09:20 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id o29si2278398wrf.25.2017.09.07.08.09.19 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 Sep 2017 08:09:19 -0700 (PDT) Date: Thu, 7 Sep 2017 08:09:16 -0700 From: Andrew Morton Subject: Re: [mmotm:master 143/319] include/linux/swapops.h:224:16: error: empty scalar initializer Message-Id: <20170907080916.a55a3a63ff26424c0d4d49f0@linux-foundation.org> In-Reply-To: References: <201709071117.XZRVgPlb%fengguang.wu@intel.com> <20170906215017.a95d6bc457a7c0327e6872c3@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Zi Yan Cc: kbuild test robot , kbuild-all@01.org, Linux Memory Management List , Johannes Weiner On Thu, 07 Sep 2017 06:54:20 -0400 "Zi Yan" wrote: > On 7 Sep 2017, at 0:50, Andrew Morton wrote: > > > On Thu, 7 Sep 2017 11:37:19 +0800 kbuild test robot wrote: > > > >> tree: git://git.cmpxchg.org/linux-mmotm.git master > >> head: 5e52cc028671694cd84e649e0a43c99a53b1fea1 > >> commit: ebacb62aac74e6683be1031fed6bfd029732d155 [143/319] mm-thp-enable-thp-migration-in-generic-path-fix-fix-fix > >> config: arm-at91_dt_defconfig (attached as .config) > >> compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 > >> reproduce: > >> wget https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fraw.githubusercontent.com%2Fintel%2Flkp-tests%2Fmaster%2Fsbin%2Fmake.cross&data=02%7C01%7Czi.yan%40cs.rutgers.edu%7C6ac33fb5121b4518eb6308d4f5abf197%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C0%7C636403566227996732&sdata=eSBomrixcY9RpH%2BkKovnCQmHlpaOcWXaZ02J0cX%2FQlg%3D&reserved=0 -O ~/bin/make.cross > >> chmod +x ~/bin/make.cross > >> git checkout ebacb62aac74e6683be1031fed6bfd029732d155 > >> # save the attached .config to linux build tree > >> make.cross ARCH=arm > >> > >> All errors (new ones prefixed by >>): > >> > >> In file included from fs/proc/task_mmu.c:15:0: > >> include/linux/swapops.h: In function 'swp_entry_to_pmd': > >>>> include/linux/swapops.h:224:16: error: empty scalar initializer > >> return (pmd_t){}; > >> ^ > >> include/linux/swapops.h:224:16: note: (near initialization for '(anonymous)') > >> > >> vim +224 include/linux/swapops.h > >> > >> 221 > >> 222 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry) > >> 223 { > >>> 224 return (pmd_t){}; > >> 225 } > >> 226 > > > > Sigh, I tried. > > > > Zi Yan, we're going to need to find a fix for this. Rapidly, please. > > > Hi Andrew, > > Why cannot we use __pmd(0) instead? My sparc32 fix is in 4.13 now. > commit is 9157259d16a8ee8116a98d32f29b797689327e8d. I didn't know that. So we should be OK now. Thanks. -- 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