SWAP_MIN
if (swap < SWAP_MIN) /* having a little is nice */
swap = SWAP_MIN;
if (swap < SWAP_MIN && build >= SWAP_MIN - swap) {
build -= SWAP_MIN - swap;
swap = SWAP_MIN;
if (swap < SWAP_MIN) {
if (swap < SWAP_MIN) /* having a little is nice */
swap = SWAP_MIN;
if (swap < SWAP_MIN && build >= SWAP_MIN - swap) {
build -= SWAP_MIN - swap;
swap = SWAP_MIN;
if (swap < SWAP_MIN) {