590     void* mmap_ptr = mmap(nullptr, size, PROT_NONE, mmap_flags, -1, 0);  in ReserveWithAlignmentPadding()  local
591     if (mmap_ptr == MAP_FAILED) {  in ReserveWithAlignmentPadding()
594     return mmap_ptr;  in ReserveWithAlignmentPadding()
609   uint8_t* mmap_ptr =  in ReserveWithAlignmentPadding()  local
611   if (mmap_ptr == MAP_FAILED) {  in ReserveWithAlignmentPadding()
615   size_t first_byte = reinterpret_cast<size_t>(align_up(mmap_ptr, mapping_align));  in ReserveWithAlignmentPadding()
616   size_t last_byte = reinterpret_cast<size_t>(align_down(mmap_ptr + mmap_size, mapping_align) - 1);  in ReserveWithAlignmentPadding()
621     munmap(mmap_ptr, mmap_size);  in ReserveWithAlignmentPadding()
626     mmap_ptr = reinterpret_cast<uint8_t*>(mmap(nullptr, mmap_size, PROT_NONE, mmap_flags, -1, 0));  in ReserveWithAlignmentPadding()
627     if (mmap_ptr == MAP_FAILED) {  in ReserveWithAlignmentPadding()
634     gap_end = align_down(mmap_ptr + mmap_size, kGapAlignment);  in ReserveWithAlignmentPadding()
637     gap_start = gap_end = mmap_ptr + mmap_size;  in ReserveWithAlignmentPadding()
640   uint8_t* first = align_up(mmap_ptr, mapping_align);  in ReserveWithAlignmentPadding()
650   munmap(mmap_ptr, start - mmap_ptr);  in ReserveWithAlignmentPadding()
652   if (gap_end != mmap_ptr + mmap_size) {  in ReserveWithAlignmentPadding()
653     munmap(gap_end, mmap_ptr + mmap_size - gap_end);  in ReserveWithAlignmentPadding()