memblock_clear_nomap  507 arch/arm64/mm/mmu.c 	memblock_clear_nomap(kernel_start, kernel_end - kernel_start);
memblock_clear_nomap  519 arch/arm64/mm/mmu.c 		memblock_clear_nomap(crashk_res.start,
memblock_clear_nomap  123 include/linux/memblock.h int memblock_clear_nomap(phys_addr_t base, phys_addr_t size);