Hi Pavel, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.13-rc3 next-20170802] [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/Pavel-Tatashin/complete-deferred-page-initialization/20170803-081025 base: git://git.cmpxchg.org/linux-mmotm.git master config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from mm/page_alloc.c:17: mm/page_alloc.c: In function '__init_single_page': >> include/linux/compiler.h:542:38: error: call to '__compiletime_assert_1171' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct page) != 64 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:525:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:542:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> arch/sparc/include/asm/pgtable_64.h:240:3: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(struct page) != 64); \ ^~~~~~~~~~~~ >> mm/page_alloc.c:1171:2: note: in expansion of macro 'mm_zero_struct_page' mm_zero_struct_page(page); ^~~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_1171 +542 include/linux/compiler.h c361d3e5 Daniel Santos 2013-02-21 519 9a8ab1c3 Daniel Santos 2013-02-21 520 #define __compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c3 Daniel Santos 2013-02-21 521 do { \ 9a8ab1c3 Daniel Santos 2013-02-21 522 bool __cond = !(condition); \ 9a8ab1c3 Daniel Santos 2013-02-21 523 extern void prefix ## suffix(void) __compiletime_error(msg); \ 9a8ab1c3 Daniel Santos 2013-02-21 524 if (__cond) \ 9a8ab1c3 Daniel Santos 2013-02-21 525 prefix ## suffix(); \ 9a8ab1c3 Daniel Santos 2013-02-21 526 __compiletime_error_fallback(__cond); \ 9a8ab1c3 Daniel Santos 2013-02-21 527 } while (0) 9a8ab1c3 Daniel Santos 2013-02-21 528 9a8ab1c3 Daniel Santos 2013-02-21 529 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c3 Daniel Santos 2013-02-21 530 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c3 Daniel Santos 2013-02-21 531 9a8ab1c3 Daniel Santos 2013-02-21 532 /** 9a8ab1c3 Daniel Santos 2013-02-21 533 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 534 * @condition: a compile-time constant condition to check 9a8ab1c3 Daniel Santos 2013-02-21 535 * @msg: a message to emit if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 536 * 9a8ab1c3 Daniel Santos 2013-02-21 537 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 538 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 539 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 540 */ 9a8ab1c3 Daniel Santos 2013-02-21 541 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @542 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 543 :::::: The code at line 542 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG :::::: TO: Daniel Santos <daniel.santos@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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