122         let mut list_guard = self.free_regions[exp2index(exp)].lock();  in give_back_block()  localVariable
124         self.push_block(region, &mut list_guard);  in give_back_block()
162         list_guard: &mut SpinLockGuard<MmioFreeRegionList>,  in query_addr_region()
171         if list_guard.num_free == 0 {  in query_addr_region()
193                                     self.split_block(region, e2, list_guard);  in query_addr_region()
213                                     self.split_block(region, e2, list_guard);  in query_addr_region()
226             if list_guard.num_free > 0 {  in query_addr_region()
227                 match self.pop_block(list_guard) {  in query_addr_region()
265                         list_guard,  in query_addr_region()
277             if list_guard.num_free > 0 {  in query_addr_region()
278                 match self.pop_block(list_guard) {  in query_addr_region()
285             match self.pop_block(list_guard) {  in query_addr_region()
299         let list_guard: &mut SpinLockGuard<MmioFreeRegionList> =  in mmio_buddy_query_addr_region()  localVariable
301         match self.query_addr_region(exp, list_guard) {  in mmio_buddy_query_addr_region()
317         list_guard: &mut SpinLockGuard<MmioFreeRegionList>,  in push_block()
319         list_guard.list.push_back(region);  in push_block()
320         list_guard.num_free += 1;  in push_block()
345         list_guard: &mut SpinLockGuard<MmioFreeRegionList>,  in pop_buddy_block()
347         if list_guard.list.len() == 0 {  in pop_buddy_block()
354             let mut element: Vec<MmioBuddyAddrRegion> = list_guard  in pop_buddy_block()
359                 list_guard.num_free -= 1;  in pop_buddy_block()
377         list_guard: &mut SpinLockGuard<MmioFreeRegionList>,  in pop_block()
379         if !list_guard.list.is_empty() {  in pop_block()
380             list_guard.num_free -= 1;  in pop_block()
381             return Ok(list_guard.list.pop_back().unwrap());  in pop_block()
402         list_guard: &mut SpinLockGuard<MmioFreeRegionList>,  in merge_all_exp()
406         if list_guard.num_free <= 1 {  in merge_all_exp()
410             if list_guard.num_free <= 1 {  in merge_all_exp()
414             let vaddr: VirtAddr = list_guard.list.back().unwrap().vaddr;  in merge_all_exp()
416             match self.pop_buddy_block(vaddr, exp, list_guard) {  in merge_all_exp()
421                     let region: MmioBuddyAddrRegion = list_guard.list.pop_back().unwrap();  in merge_all_exp()
427                             self.push_block(copy_region, list_guard);  in merge_all_exp()