end_bad 28 mm/memtest.c static void __init reserve_bad_mem(u64 pattern, phys_addr_t start_bad, phys_addr_t end_bad) end_bad 31 mm/memtest.c cpu_to_be64(pattern), &start_bad, &end_bad); end_bad 32 mm/memtest.c memblock_reserve(start_bad, end_bad - start_bad);