update codes for os course-YAO-class, fall, 2013

code/lab4/kern/mm/kmalloc.c

@@ -186,14 +186,9 @@ static void slob_free(void *block, int size)
 
 
 
-void check_slob(void) {
-  cprintf("check_slob() success\n");
-}
-
 void
 slob_init(void) {
   cprintf("use SLOB allocator\n");
-  check_slob();
 }
 
 inline void 

code/lab4/tools/grade.sh

@@ -332,10 +332,6 @@ quick_check 'check page table'                                  \
     '  |-- PTE(000e0) faf00000-fafe0000 000e0000 urw'           \
     '  |-- PTE(00001) fafeb000-fafec000 00001000 -rw'
 
-pts=10
-quick_check 'check slob'                                        \
-    'check_slob() succeeded!'
-
 pts=25
 quick_check 'check vmm'                                         \
     'check_vma_struct() succeeded!'                             \