162   _backing.free(pmem);
 163   _used -= pmem.size();
 164 }
 165 
 166 void ZPhysicalMemoryManager::map(ZPhysicalMemory pmem, uintptr_t offset) {
 167   // Map page
 168   _backing.map(pmem, offset);
 169 
 170   // Update native memory tracker
 171   nmt_commit(pmem, offset);
 172 }
 173 
 174 void ZPhysicalMemoryManager::unmap(ZPhysicalMemory pmem, uintptr_t offset) {
 175   // Update native memory tracker
 176   nmt_uncommit(pmem, offset);
 177 
 178   // Unmap page
 179   _backing.unmap(pmem, offset);
 180 }
 181 
 182 void ZPhysicalMemoryManager::flip(ZPhysicalMemory pmem, uintptr_t offset) {
 183   _backing.flip(pmem, offset);




 184 }

 162   _backing.free(pmem);
 163   _used -= pmem.size();
 164 }
 165 
 166 void ZPhysicalMemoryManager::map(ZPhysicalMemory pmem, uintptr_t offset) {
 167   // Map page
 168   _backing.map(pmem, offset);
 169 
 170   // Update native memory tracker
 171   nmt_commit(pmem, offset);
 172 }
 173 
 174 void ZPhysicalMemoryManager::unmap(ZPhysicalMemory pmem, uintptr_t offset) {
 175   // Update native memory tracker
 176   nmt_uncommit(pmem, offset);
 177 
 178   // Unmap page
 179   _backing.unmap(pmem, offset);
 180 }
 181 
 182 void ZPhysicalMemoryManager::debug_map(ZPhysicalMemory pmem, uintptr_t offset) {
 183   _backing.debug_map(pmem, offset);
 184 }
 185 
 186 void ZPhysicalMemoryManager::debug_unmap(ZPhysicalMemory pmem, uintptr_t offset) {
 187   _backing.debug_unmap(pmem, offset);
 188 }