feat: implement clock (second-chance) page eviction algorithm

src/vm/frame.h

@@ -1,10 +1,11 @@
 #ifndef VM_FRAME_H
 #define VM_FRAME_H
 
+#include "threads/thread.h"
 #include "threads/palloc.h"
 
 void frame_init (void);
-void *frame_alloc (enum palloc_flags);
+void *frame_alloc (enum palloc_flags, void *, struct thread *);
 void frame_free (void *frame);
 
 #endif /* vm/frame.h */