Hi Jann, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.19-rc5 next-20180928] [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please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jann-Horn/mm-vmstat-fix-outdated-vmstat_text/20180929-102147 config: i386-randconfig-x005-201838 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from include/linux/export.h:45:0, from include/linux/linkage.h:7, from include/linux/fs.h:5, from mm/vmstat.c:12: mm/vmstat.c: In function 'vmstat_start': >> include/linux/compiler.h:358:38: error: call to '__compiletime_assert_1664' declared with attribute error: BUILD_BUG_ON failed: stat_items_size != ARRAY_SIZE(vmstat_text) * sizeof(unsigned long) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:338:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:358:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> mm/vmstat.c:1663:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(stat_items_size != ^~~~~~~~~~~~ vim +/__compiletime_assert_1664 +358 include/linux/compiler.h 9a8ab1c3 Daniel Santos 2013-02-21 344 9a8ab1c3 Daniel Santos 2013-02-21 345 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c3 Daniel Santos 2013-02-21 346 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c3 Daniel Santos 2013-02-21 347 9a8ab1c3 Daniel Santos 2013-02-21 348 /** 9a8ab1c3 Daniel Santos 2013-02-21 349 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 350 * @condition: a compile-time constant condition to check 9a8ab1c3 Daniel Santos 2013-02-21 351 * @msg: a message to emit if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 352 * 9a8ab1c3 Daniel Santos 2013-02-21 353 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 354 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 355 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 356 */ 9a8ab1c3 Daniel Santos 2013-02-21 357 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @358 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 359 :::::: The code at line 358 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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