mbr_base 42 arch/x86/boot/edd.c u32 buf_base, mbr_base; mbr_base 52 arch/x86/boot/edd.c mbr_base = (buf_base+sector_size-1) & ~(sector_size-1); mbr_base 53 arch/x86/boot/edd.c mbrbuf_ptr = _end + (mbr_base-buf_base);