fix

kernel/src/fs/tmpfs/Inode.h

@@ -154,6 +154,11 @@ namespace TmpFS
             m_metadata.devid = id;
         }
 
+        Result<u64> query_shared_memory(off_t offset, usize count) override
+        {
+            return m_device->query_shared_memory(offset, count);
+        }
+
         VFS::FileSystem* fs() const override
         {
             return m_fs;