From: Mike Rapoport <rppt@xxxxxxxxxxxxx> Subject: nds32/setup: remove unused memblock_region variable in setup_memory() kernel test robot reports unused variable warning: cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> arch/nds32/kernel/setup.c:247:26: warning: Unused variable: region >> [unusedVariable] struct memblock_region *region; ^ Remove the unused variable. Link: https://lkml.kernel.org/r/20210712125218.28951-1-rppt@xxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Greentime Hu <green.hu@xxxxxxxxx> Cc: Nick Hu <nickhu@xxxxxxxxxxxxx> Cc: Vincent Chen <deanbo422@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/nds32/kernel/setup.c | 1 - 1 file changed, 1 deletion(-) --- a/arch/nds32/kernel/setup.c~nds32-setup-remove-unused-memblock_region-variable-in-setup_memory +++ a/arch/nds32/kernel/setup.c @@ -244,7 +244,6 @@ static void __init setup_memory(void) unsigned long ram_start_pfn; unsigned long free_ram_start_pfn; phys_addr_t memory_start, memory_end; - struct memblock_region *region; memory_end = memory_start = 0; _