194 static bool CheckMapRequest(byte* expected_ptr, void* actual_ptr, size_t byte_count,  in CheckMapRequest()  argument
205   uintptr_t limit = expected + byte_count;  in CheckMapRequest()
212   int result = munmap(actual_ptr, byte_count);  in CheckMapRequest()
214     PLOG(WARNING) << StringPrintf("munmap(%p, %zd) failed", actual_ptr, byte_count);  in CheckMapRequest()
239 MemMap* MemMap::MapAnonymous(const char* name, byte* expected_ptr, size_t byte_count, int prot,  in MapAnonymous()  argument
241   if (byte_count == 0) {  in MapAnonymous()
244   size_t page_aligned_byte_count = RoundUp(byte_count, kPageSize);  in MapAnonymous()
382   return new MemMap(name, reinterpret_cast<byte*>(actual), byte_count, actual,  in MapAnonymous()
386 MemMap* MemMap::MapFileAtAddress(byte* expected_ptr, size_t byte_count, int prot, int flags, int fd,  in MapFileAtAddress()  argument
401     uintptr_t limit = expected + byte_count;  in MapFileAtAddress()
411   if (byte_count == 0) {  in MapFileAtAddress()
418   size_t page_aligned_byte_count = RoundUp(byte_count + page_offset, kPageSize);  in MapFileAtAddress()
446   return new MemMap(filename, actual + page_offset, byte_count, actual, page_aligned_byte_count,  in MapFileAtAddress()