49     free_regions: [SpinLock<MmioFreeRegionList>; MMIO_BUDDY_REGION_COUNT as usize],  field
54         let mut free_regions: [MaybeUninit<SpinLock<MmioFreeRegionList>>;  in new()  localVariable
57             free_regions[i as usize] = MaybeUninit::new(SpinLock::new(MmioFreeRegionList::new()));  in new()
59         let free_regions = unsafe {  in new()  localVariable
61                 free_regions,  in new()
68             free_regions,  in new()
122         let mut list_guard = self.free_regions[exp2index(exp)].lock();  in give_back_block()
176                     &mut self.free_regions[exp2index(e) as usize].lock();  in query_addr_region()
188                                         &mut self.free_regions[exp2index(e2 - 1) as usize].lock();  in query_addr_region()
202                         match self.pop_block(&mut self.free_regions[exp2index(e2) as usize].lock())  in query_addr_region()
208                                         &mut self.free_regions[exp2index(e2 - 1) as usize].lock();  in query_addr_region()
252                         &mut self.free_regions[exp2index(exp) as usize].lock(),  in query_addr_region()
253                         &mut self.free_regions[exp2index(exp + 1)].lock(),  in query_addr_region()
264                         &mut self.free_regions[exp2index(exp) as usize].lock(),  in query_addr_region()
300             &mut self.free_regions[exp2index(exp)].lock();  in mmio_buddy_query_addr_region()