[modules:ppavlu-module-include 32/37] mm/page_alloc.c:6949:2: error: call to undeclared function 'DEFINE_DYNAMIC_DEBUG_METADATA'; ISO C99 and later do not support implicit function declarations
kernel test robot <[email protected]>
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/modules/linux.git ppavlu-module-include head: fcbfd3cbe0a054838436812cc0b664f71ba1d0a4 commit: 1c6a138c5d5c9156a13a7d82df4f2fec5c2b71a2 [32/37] WIP: module: Avoid including linux/dynamic_debug in linux/module.h config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260820/[email protected]/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> mm/page_alloc.c:6949:2: error: call to undeclared function 'DEFINE_DYNAMIC_DEBUG_METADATA'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 6949 | DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, "migrate failure"); | ^ >> mm/page_alloc.c:6949:32: error: use of undeclared identifier 'descriptor' 6949 | DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, "migrate failure"); | ^~~~~~~~~~ >> mm/page_alloc.c:6951:6: error: call to undeclared function 'DYNAMIC_DEBUG_BRANCH'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 6951 | if (DYNAMIC_DEBUG_BRANCH(descriptor)) { | ^ mm/page_alloc.c:6951:27: error: use of undeclared identifier 'descriptor' 6951 | if (DYNAMIC_DEBUG_BRANCH(descriptor)) { | ^~~~~~~~~~ 4 errors generated. vim +/DEFINE_DYNAMIC_DEBUG_METADATA +6949 mm/page_alloc.c 4aa4abf1f14bd6 Ryan Roberts 2026-04-01 6944 8df995f6bde01d Alexandre Ghiti 2019-05-13 6945 #ifdef CONFIG_CONTIG_ALLOC a1394bddf9b60e Minchan Kim 2021-04-29 6946 /* Usage: See admin-guide/dynamic-debug-howto.rst */ a1394bddf9b60e Minchan Kim 2021-04-29 6947 static void alloc_contig_dump_pages(struct list_head *page_list) a1394bddf9b60e Minchan Kim 2021-04-29 6948 { a1394bddf9b60e Minchan Kim 2021-04-29 @6949 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, "migrate failure"); a1394bddf9b60e Minchan Kim 2021-04-29 6950 a1394bddf9b60e Minchan Kim 2021-04-29 @6951 if (DYNAMIC_DEBUG_BRANCH(descriptor)) { a1394bddf9b60e Minchan Kim 2021-04-29 6952 struct page *page; a1394bddf9b60e Minchan Kim 2021-04-29 6953 a1394bddf9b60e Minchan Kim 2021-04-29 6954 dump_stack(); a1394bddf9b60e Minchan Kim 2021-04-29 6955 list_for_each_entry(page, page_list, lru) a1394bddf9b60e Minchan Kim 2021-04-29 6956 dump_page(page, "migration failure"); a1394bddf9b60e Minchan Kim 2021-04-29 6957 } a1394bddf9b60e Minchan Kim 2021-04-29 6958 } a1394bddf9b60e Minchan Kim 2021-04-29 6959 :::::: The code at line 6949 was first introduced by commit :::::: a1394bddf9b60e96d075d94b71a8857696598186 mm: page_alloc: dump migrate-failed pages :::::: TO: Minchan Kim <[email protected]> :::::: CC: Linus Torvalds <[email protected]> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki