// locate an existing reserved memory region that contains specified address,
// or the reserved region just above this address, where the incoming
// reserved region should be inserted.
virtual MemPointer* locate(address addr) {
reset();
VMMemRegion* reg = (VMMemRegion*)current();
while (reg != NULL) {
if (reg->is_reserved_region()) {
if (reg->contains_address(addr) || addr < reg->base()) {
return reg;
}
}
reg = (VMMemRegion*)next();
}
return NULL;
}
