259                                     size_t page_aligned_byte_count,  in TryMemMapLow4GB()  argument
264   void* actual = TargetMMap(ptr, page_aligned_byte_count, prot, flags, fd, offset);  in TryMemMapLow4GB()
268     if (reinterpret_cast<uintptr_t>(actual) + page_aligned_byte_count >= 4 * GB) {  in TryMemMapLow4GB()
269       TargetMUnmap(actual, page_aligned_byte_count);  in TryMemMapLow4GB()
320   size_t page_aligned_byte_count = RoundUp(byte_count, kPageSize);  in MapAnonymous()  local
345                              page_aligned_byte_count,  in MapAnonymous()
362                                 page_aligned_byte_count,  in MapAnonymous()
370   if (!CheckMapRequest(addr, actual, page_aligned_byte_count, error_msg)) {  in MapAnonymous()
375     SetDebugName(actual, name, page_aligned_byte_count);  in MapAnonymous()
387                 page_aligned_byte_count,  in MapAnonymous()
396   const size_t page_aligned_byte_count = RoundUp(byte_count, kPageSize);  in MapDummy()  local
397   return MemMap(name, addr, byte_count, addr, page_aligned_byte_count, 0, /* reuse= */ true);  in MapDummy()
526   size_t page_aligned_byte_count = RoundUp(byte_count + page_offset, kPageSize);  in MapFileAtAddress()  local
535     page_aligned_byte_count += redzone_size;  in MapFileAtAddress()
539                                                            page_aligned_byte_count,  in MapFileAtAddress()
555                                 page_aligned_expected, page_aligned_byte_count, prot, flags, fd,  in MapFileAtAddress()
561   if (!CheckMapRequest(expected_ptr, actual, page_aligned_byte_count, error_msg)) {  in MapFileAtAddress()
567     const uint8_t *mapping_end = actual + page_aligned_byte_count;  in MapFileAtAddress()
571     page_aligned_byte_count -= redzone_size;  in MapFileAtAddress()
583                 page_aligned_byte_count,  in MapFileAtAddress()