Hi Kirill, [auto build test WARNING on mmotm/master] [also build test WARNING on v4.10-rc5 next-20170124] [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/20170125-081918 base: git://git.cmpxchg.org/linux-mmotm.git master config: openrisc-or1ksim_defconfig (attached as .config) compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 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=openrisc All warnings (new ones prefixed by >>): mm/migrate.c: In function 'remove_migration_pte': >> mm/migrate.c:199:20: warning: unused variable 'mm' arch/openrisc/include/asm/bitops/atomic.h: Assembler messages: arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/cmpxchg.h:30: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/cmpxchg.h:34: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:18: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:20: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. arch/openrisc/include/asm/atomic.h:37: Error: unknown opcode2 `l.swa'. arch/openrisc/include/asm/atomic.h:35: Error: unknown opcode2 `l.lwa'. vim +/mm +199 mm/migrate.c bda807d44 Minchan Kim 2016-07-26 183 unlock_page(page); bda807d44 Minchan Kim 2016-07-26 184 put_page(page); bda807d44 Minchan Kim 2016-07-26 185 } else { 894bc3104 Lee Schermerhorn 2008-10-18 186 putback_lru_page(page); 6afcf8ef0 Ming Ling 2016-12-12 187 dec_node_page_state(page, NR_ISOLATED_ANON + 6afcf8ef0 Ming Ling 2016-12-12 188 page_is_file_cache(page)); b20a35035 Christoph Lameter 2006-03-22 189 } b20a35035 Christoph Lameter 2006-03-22 190 } bda807d44 Minchan Kim 2016-07-26 191 } b20a35035 Christoph Lameter 2006-03-22 192 0697212a4 Christoph Lameter 2006-06-23 193 /* 0697212a4 Christoph Lameter 2006-06-23 194 * Restore a potential migration pte to a working pte entry 0697212a4 Christoph Lameter 2006-06-23 195 */ 51b4efdf7 Kirill A. Shutemov 2017-01-24 196 static int remove_migration_pte(struct page *page, struct vm_area_struct *vma, e9995ef97 Hugh Dickins 2009-12-14 197 unsigned long addr, void *old) 0697212a4 Christoph Lameter 2006-06-23 198 { 0697212a4 Christoph Lameter 2006-06-23 @199 struct mm_struct *mm = vma->vm_mm; 51b4efdf7 Kirill A. Shutemov 2017-01-24 200 struct page_check_walk pcw = { 51b4efdf7 Kirill A. Shutemov 2017-01-24 201 .page = old, 51b4efdf7 Kirill A. Shutemov 2017-01-24 202 .vma = vma, 51b4efdf7 Kirill A. Shutemov 2017-01-24 203 .address = addr, 51b4efdf7 Kirill A. Shutemov 2017-01-24 204 .flags = PAGE_CHECK_WALK_SYNC | PAGE_CHECK_WALK_MIGRATION, 51b4efdf7 Kirill A. Shutemov 2017-01-24 205 }; 51b4efdf7 Kirill A. Shutemov 2017-01-24 206 struct page *new; 51b4efdf7 Kirill A. Shutemov 2017-01-24 207 pte_t pte; :::::: The code at line 199 was first introduced by commit :::::: 0697212a411c1dae03c27845f2de2f3adb32c331 [PATCH] Swapless page migration: add R/W migration entries :::::: TO: Christoph Lameter <clameter@xxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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