TRAPFRAME         198 kernel/proc.c    if(mappages(pagetable, TRAPFRAME, PGSIZE,
TRAPFRAME         214 kernel/proc.c    uvmunmap(pagetable, TRAPFRAME, 1, 0);
TRAPFRAME         244 kernel/proc.c      if(sz + n > TRAPFRAME) {
TRAPFRAME          60 kernel/sysproc.c     if(addr + n > TRAPFRAME)
TRAPFRAME        2716 user/usertests.c   int n = TRAPFRAME-PGSIZE-(uint64)p;
TRAPFRAME        2725 user/usertests.c   if (p < 0 || (uint64)p != TRAPFRAME-PGSIZE) {