Hi Kirill, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.10-rc5 next-20170125] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Kirill-A-Shutemov/Fix-few-rmap-related-THP-bugs/20170126-023339 base: git://git.cmpxchg.org/linux-mmotm.git master config: parisc-c3000_defconfig (attached as .config) compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=parisc All error/warnings (new ones prefixed by >>): In file included from include/linux/mmzone.h:20:0, from include/linux/gfp.h:5, from include/linux/mm.h:9, from mm/rmap.c:48: mm/rmap.c: In function 'try_to_unmap_one': >> arch/parisc/include/asm/page.h:48:24: error: 'pvmw.pte' is a pointer; did you mean to use '->'? #define pte_val(x) ((x).pte) ^ -> >> arch/parisc/include/asm/pgtable.h:410:22: note: in expansion of macro 'pte_val' #define pte_pfn(x) (pte_val(x) >> PFN_PTE_SHIFT) ^~~~~~~ >> mm/rmap.c:1520:34: note: in expansion of macro 'pte_pfn' flush_cache_page(vma, address, pte_pfn(pvmw.pte)); ^~~~~~~ vim +/pte_pfn +1520 mm/rmap.c 1504 break; 1505 } 1506 if (flags & TTU_MUNLOCK) 1507 continue; 1508 } 1509 1510 if (!(flags & TTU_IGNORE_ACCESS)) { 1511 if (ptep_clear_flush_young_notify(vma, address, 1512 pvmw.pte)) { 1513 ret = SWAP_FAIL; 1514 page_vma_mapped_walk_done(&pvmw); 1515 break; 1516 } 1517 } 1518 1519 /* Nuke the page table entry. */ > 1520 flush_cache_page(vma, address, pte_pfn(pvmw.pte)); 1521 if (should_defer_flush(mm, flags)) { 1522 /* 1523 * We clear the PTE but do not flush so potentially 1524 * a remote CPU could still be writing to the page. 1525 * If the entry was previously clean then the 1526 * architecture must guarantee that a clear->dirty 1527 * transition on a cached TLB entry is written through 1528 * and traps if the PTE is unmapped. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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