On 7 Sep 2017, at 0:50, Andrew Morton wrote: > On Thu, 7 Sep 2017 11:37:19 +0800 kbuild test robot <fengguang.wu@xxxxxxxxx> 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. It should be OK to use __pmd(0). Is there any other arch not having __pmd()? Thanks. — Best Regards, Yan Zi
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