add working set concept for processes

inc/kernel.h

@@ -11,7 +11,7 @@ struct RunQ {
 };
 
 struct RunQ *RunQ(size_t max_procs);
-void RUNQ_add_process(size_t max_page_accesses, size_t total_pages_owned);
+void RUNQ_add_process(size_t max_page_accesses, size_t total_pages_owned, size_t ws_size);
 void RUNQ_remove_current_process(void);
 
 

inc/process.h

@@ -18,12 +18,16 @@ struct Process {
 	size_t max_accesses;
 	size_t total_pages_owned;
 	struct PageTableEntry *pt;
+	size_t *ws;
+	size_t ws_size;
 };
 
 struct Process *Process(size_t proc_id,
 			size_t max_accesses,
-			size_t total_pages_owned);
+			size_t total_pages_owned,
+			size_t ws_size);
 
 size_t PROCESS_run_for(struct Process *p, size_t time_bits);
+void PROCESS_change_working_set(struct Process *p);
 
 #endif