CPU_ALLOC_SIZE
cp = vmem_xalloc(static_alloc_arena, CPU_ALLOC_SIZE,
CPU_ALLOC_SIZE, 0, 0, NULL, NULL, VM_SLEEP);
if (sizeof (struct cpu) + PTL1_SSIZE > CPU_ALLOC_SIZE) {
pstate->ptl1_stktop = (uintptr_t)cpu + CPU_ALLOC_SIZE;
if (sizeof (struct cpu) + PTL1_SSIZE > CPU_ALLOC_SIZE) {
pstate->ptl1_stktop = (uintptr_t)cpu + CPU_ALLOC_SIZE;