tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c2131f7e73c9e9365613e323d65c7b9e5b910f56 commit: 80c4574417ae42fe2ba6978772854dc67cfc5331 h8300, nds32, openrisc: simplify detection of memory extents date: 8 months ago compiler: h8300-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> arch/h8300/kernel/setup.c:72:26: warning: Unused variable: region [unusedVariable] struct memblock_region *region; ^ vim +72 arch/h8300/kernel/setup.c d8b0bdb444ed0e Yoshinori Sato 2015-05-11 69 d8b0bdb444ed0e Yoshinori Sato 2015-05-11 70 static void __init bootmem_init(void) d8b0bdb444ed0e Yoshinori Sato 2015-05-11 71 { d8b0bdb444ed0e Yoshinori Sato 2015-05-11 @72 struct memblock_region *region; d8b0bdb444ed0e Yoshinori Sato 2015-05-11 73 d8b0bdb444ed0e Yoshinori Sato 2015-05-11 74 memory_end = memory_start = 0; d8b0bdb444ed0e Yoshinori Sato 2015-05-11 75 d8b0bdb444ed0e Yoshinori Sato 2015-05-11 76 /* Find main memory where is the kernel */ 80c4574417ae42 Mike Rapoport 2020-10-13 77 memory_start = memblock_start_of_DRAM(); 80c4574417ae42 Mike Rapoport 2020-10-13 78 memory_end = memblock_end_of_DRAM(); d8b0bdb444ed0e Yoshinori Sato 2015-05-11 79 d8b0bdb444ed0e Yoshinori Sato 2015-05-11 80 if (!memory_end) d8b0bdb444ed0e Yoshinori Sato 2015-05-11 81 panic("No memory!"); d8b0bdb444ed0e Yoshinori Sato 2015-05-11 82 c489dfefe739d3 Rob Herring 2018-03-16 83 /* setup bootmem globals (we use no_bootmem, but mm still depends on this) */ c489dfefe739d3 Rob Herring 2018-03-16 84 min_low_pfn = PFN_UP(memory_start); 80c4574417ae42 Mike Rapoport 2020-10-13 85 max_low_pfn = PFN_DOWN(memory_end); c489dfefe739d3 Rob Herring 2018-03-16 86 max_pfn = max_low_pfn; d8b0bdb444ed0e Yoshinori Sato 2015-05-11 87 c489dfefe739d3 Rob Herring 2018-03-16 88 memblock_reserve(__pa(_stext), _end - _stext); d8b0bdb444ed0e Yoshinori Sato 2015-05-11 89 c489dfefe739d3 Rob Herring 2018-03-16 90 early_init_fdt_reserve_self(); c489dfefe739d3 Rob Herring 2018-03-16 91 early_init_fdt_scan_reserved_mem(); d8b0bdb444ed0e Yoshinori Sato 2015-05-11 92 c489dfefe739d3 Rob Herring 2018-03-16 93 memblock_dump_all(); d8b0bdb444ed0e Yoshinori Sato 2015-05-11 94 } d8b0bdb444ed0e Yoshinori Sato 2015-05-11 95 :::::: The code at line 72 was first introduced by commit :::::: d8b0bdb444ed0e2bd5f9d3ea7412cb90bdec58cf h8300: kernel startup :::::: TO: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> :::::: CC: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
