dd unit size is very non standard, just use numbers
On OSX the system version uses `m` but `brew` will install a version
that only understands `M`...
@@ -6,7 +6,7 @@ KERNEL="kernel/x86_64/vmlinuz64"
: ${INITRD:="alpine/initrd.img"}
CMDLINE="earlyprintk=serial console=ttyS0"
-[ -f disk.img ] || dd if=/dev/zero of=disk.img bs=1m count=256
+[ -f disk.img ] || dd if=/dev/zero of=disk.img bs=1048576 count=256
MEM="-m 1G"
SMP="-c 1"
