RLIMIT_SWAP
#ifdef RLIMIT_SWAP
{ "swap limit", "kbytes", RLIMIT_SWAP, 1024, 'w' },
{ "swapuse", login_getcapsize, RLIMIT_SWAP },
case RLIMIT_SWAP:
prev + pincr > lim_cur(curthread, RLIMIT_SWAP) &&
case RLIMIT_SWAP: