tions of hex type 82 (LINUX_SWAP) are  meant  to  be  swap  partitions.
blocks.  mkswap will use the entire partition or file if it is omitted.
disk label (SUN, BSD, ...) and on a whole disk (e.g. /dev/sda).
1GiB  on  sparc,  512MiB on mips, 128GiB on alpha, and 3TiB on sparc64.