tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 84d9f657acaecc43dc52f25d52230db85fd5ffdd commit: 7b4ad9400126434e6997c0249ee61dd648c04d42 [392/474] mips: implement the new page table range API config: mips-randconfig-r002-20230806 (https://download.01.org/0day-ci/archive/20230806/202308060105.IP2Npoqr-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230806/202308060105.IP2Npoqr-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308060105.IP2Npoqr-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/mips/mm/init.c:60:6: warning: no previous prototype for 'setup_zero_pages' [-Wmissing-prototypes] 60 | void setup_zero_pages(void) | ^~~~~~~~~~~~~~~~ In file included from <command-line>: arch/mips/mm/init.c: In function 'mem_init': >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (PFN_PTE_SHIFT > PAGE_SHIFT) 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert' 378 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert' 397 | _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/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/mips/mm/init.c:459:9: note: in expansion of macro 'BUILD_BUG_ON' 459 | BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (PFN_PTE_SHIFT > PAGE_SHIFT)); | ^~~~~~~~~~~~ vim +/__compiletime_assert_294 +397 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 383 eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 386 eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 398 :::::: The code at line 397 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 https://github.com/intel/lkp-tests/wiki
