244   size_t page_aligned_byte_count = RoundUp(byte_count, kPageSize);  in MapAnonymous()  local
258       (page_aligned_byte_count < rlimit_fsize.rlim_cur);  in MapAnonymous()
265     fd.reset(ashmem_create_region(debug_friendly_name.c_str(), page_aligned_byte_count));  in MapAnonymous()
284       (reinterpret_cast<uintptr_t>(expected_ptr + page_aligned_byte_count) >> 32) != 0)) {  in MapAnonymous()
286                               expected_ptr, expected_ptr + page_aligned_byte_count);  in MapAnonymous()
302       if (4U * GB - ptr < page_aligned_byte_count) {  in MapAnonymous()
319       for (tail_ptr = ptr; tail_ptr < ptr + page_aligned_byte_count; tail_ptr += kPageSize) {  in MapAnonymous()
331         actual = mmap(reinterpret_cast<void*>(ptr), page_aligned_byte_count, prot, flags, fd.get(),  in MapAnonymous()
336           if (reinterpret_cast<uintptr_t>(actual) + page_aligned_byte_count < 4 * GB) {  in MapAnonymous()
339             munmap(actual, page_aligned_byte_count);  in MapAnonymous()
354     actual = mmap(expected_ptr, page_aligned_byte_count, prot, flags, fd.get(), 0);  in MapAnonymous()
365   void* actual = mmap(expected_ptr, page_aligned_byte_count, prot, flags, fd.get(), 0);  in MapAnonymous()
374                               expected_ptr, page_aligned_byte_count, prot, flags, fd.get(),  in MapAnonymous()
379   if (!CheckMapRequest(expected_ptr, actual, page_aligned_byte_count, error_msg)) {  in MapAnonymous()
383                     page_aligned_byte_count, prot, false);  in MapAnonymous()
418   size_t page_aligned_byte_count = RoundUp(byte_count + page_offset, kPageSize);  in MapFileAtAddress()  local
424                                               page_aligned_byte_count,  in MapFileAtAddress()
437                               page_aligned_expected, page_aligned_byte_count, prot, flags, fd,  in MapFileAtAddress()
443   if (!CheckMapRequest(expected_ptr, actual, page_aligned_byte_count, error_msg)) {  in MapFileAtAddress()
446   return new MemMap(filename, actual + page_offset, byte_count, actual, page_aligned_byte_count,  in MapFileAtAddress()