update lab1-8 codes and docs. now version is 0.2

code/lab5/kern/process/proc.c

@@ -103,6 +103,12 @@ alloc_proc(void) {
      *       uint32_t flags;                             // Process flag
      *       char name[PROC_NAME_LEN + 1];               // Process name
      */
+     //LAB5 YOUR CODE : (update LAB4 steps)
+    /*
+     * below fields(add in LAB5) in proc_struct need to be initialized	
+     *       uint32_t wait_state;                        // waiting state
+     *       struct proc_struct *cptr, *yptr, *optr;     // relations between processes
+	 */
     }
     return proc;
 }
@@ -389,6 +395,15 @@ do_fork(uint32_t clone_flags, uintptr_t stack, struct trapframe *tf) {
     //    5. insert proc_struct into hash_list && proc_list
     //    6. call wakup_proc to make the new child process RUNNABLE
     //    7. set ret vaule using child proc's pid
+
+	//LAB5 YOUR CODE : (update LAB4 steps)
+   /* Some Functions
+    *    set_links:  set the relation links of process.  ALSO SEE: remove_links:  lean the relation links of process 
+    *    -------------------
+	*    update step 1: set child proc's parent to current process, make sure current process's wait_state is 0
+	*    update step 5: insert proc_struct into hash_list && proc_list, set the relation links of process
+    */
+	
 fork_out:
     return ret;
 
@@ -771,7 +786,7 @@ user_main(void *arg) {
 static int
 init_main(void *arg) {
     size_t nr_free_pages_store = nr_free_pages();
-    size_t slab_allocated_store = kallocated();
+    size_t kernel_allocated_store = kallocated();
 
     int pid = kernel_thread(user_main, NULL, 0);
     if (pid <= 0) {
@@ -788,7 +803,7 @@ init_main(void *arg) {
     assert(list_next(&proc_list) == &(initproc->list_link));
     assert(list_prev(&proc_list) == &(initproc->list_link));
     assert(nr_free_pages_store == nr_free_pages());
-    assert(slab_allocated_store == kallocated());
+    assert(kernel_allocated_store == kallocated());
     cprintf("init check memory pass.\n");
     return 0;
 }