uvm_swapisfull
if (uvm_swapisfull()) {
if (uvm_swapisfull())
if (uvm_swapisfull()) {
if (uvm_swapisfull())
if ((p->pg_flags & PQ_SWAPBACKED) && uvm_swapisfull()) {
if ((shortage > 0) && uvm_swapisfilled() && !uvm_swapisfull() &&
int uvm_swapisfull(void);