tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ccc252d2e818f6a479441119ad453c3ce7c7c461 commit: a7ba988ff9de37f0961b4bf96d17aca73d0d2e25 [7012/7430] mm, slub: change run-time assertion in kmalloc_index() to compile-time config: parisc-randconfig-r014-20210604 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=a7ba988ff9de37f0961b4bf96d17aca73d0d2e25 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout a7ba988ff9de37f0961b4bf96d17aca73d0d2e25 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from <command-line>: In function 'kmalloc_index', inlined from 'kmalloc_node' at include/linux/slab.h:572:20, inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9: >> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_183' declared with attribute error: unexpected size in kmalloc_index() 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert' 309 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 389 | BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()"); | ^~~~~~~~~~~~~~~~ vim +/__compiletime_assert_183 +328 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 329 :::::: The code at line 328 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon <will@xxxxxxxxxx> :::::: CC: Will Deacon <will@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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