62         let mut region: Box<MmioBuddyAddrRegion> = Box::new(MmioBuddyAddrRegion::new());  in create_region()  localVariable
63         region.vaddr = vaddr;  in create_region()
64         return region;  in create_region()
83         let region: Box<MmioBuddyAddrRegion> = self.create_region(vaddr);  in give_back_block()  localVariable
87         self.push_block(region, list_guard);  in give_back_block()
100         region: Box<MmioBuddyAddrRegion>,  in split_block()
104         let vaddr: u64 = self.calculate_block_vaddr(region.vaddr, exp - 1);  in split_block()
106         self.push_block(region, low_list_guard);  in split_block()
147                             Ok(region) => {  in query_addr_region()
152                                     self.split_block(region, e2, low_list_guard);  in query_addr_region()
156                                     self.split_block(region, e2, list_guard);  in query_addr_region()
167                             Ok(region) => {  in query_addr_region()
172                                     self.split_block(region, e2, low_list_guard);  in query_addr_region()
176                                     self.split_block(region, e2, list_guard);  in query_addr_region()
282         region: Box<MmioBuddyAddrRegion>,  in push_block()
285         list_guard.list.push_back(region);  in push_block()
387                     let region: Box<MmioBuddyAddrRegion> = list_guard.list.pop_back().unwrap();  in merge_all_exp()  localVariable
389                         vaddr: region.vaddr,  in merge_all_exp()
392                     match self.merge_blocks(region, buddy_region, exp, high_list_guard) {  in merge_all_exp()
471             Ok(region) => {  in create_mmio()
473                     *res_vaddr = region.vaddr;  in create_mmio()
490                             region.vaddr + loop_i,  in create_mmio()
520                             region.vaddr + loop_i,  in create_mmio()