USRSTACK
(USRSTACK - SPARE_USRSPACE - sizeof(struct old_ps_strings)))
addr = trunc_page(USRSTACK - PAGE_SIZE);
ucp = (char *)USRSTACK;
vmspace->vm_maxsaddr = (char *)USRSTACK - maxssiz;
vm_offset_t stack_addr = USRSTACK - maxssiz;
pmap_remove_pages(vmspace_pmap(vmspace), stack_addr, USRSTACK);
__read_mostly static u_long usrstack = USRSTACK;
addr = USRSTACK - limp->rlim_cur;
addr = USRSTACK - alimp->rlim_cur;
#define INKERNEL(va) (((vm_offset_t)(va)) >= USRSTACK)
ASSYM(USRSTACK, USRSTACK);
#define INKERNEL(va) (((vm_offset_t)(va)) >= USRSTACK)
#define PS_STRINGS (USRSTACK - sizeof(struct ps_strings))