123   uptr diff = RoundUp(p, kPageSize) - p;  in ResetRange()  local
124   if (diff != 0) {  in ResetRange()
125     FreeRange(proc, p, diff, reset);  in ResetRange()
126     p += diff;  in ResetRange()
127     sz -= diff;  in ResetRange()
129   diff = p + sz - RoundDown(p + sz, kPageSize);  in ResetRange()
130   if (diff != 0) {  in ResetRange()
131     FreeRange(proc, p + sz - diff, diff, reset);  in ResetRange()
132     sz -= diff;  in ResetRange()
249   uptr diff = dst - src;  in MoveMemory()  local
271       s->addr += diff;  in MoveMemory()