Fixed some comments and reorganized some code.

Fixed minor bug in notify() function.

kernel/system/clock.c

@@ -164,7 +164,7 @@ timer_t *tp;
  * alarm. The process number is stored in timer argument 'ta_int'. Notify that
  * process given with a SYN_ALARM message.
  */
-  notify(tmr_arg(tp)->ta_int, SYN_ALARM);
+  lock_notify(tmr_arg(tp)->ta_int, SYN_ALARM);
 }
 
 

kernel/system/sysctl.c

@@ -236,6 +236,8 @@ register message *m_ptr;	/* pointer to request message */
 /* Request a (DMA) buffer to be allocated in one of the memory chunks. */
   phys_clicks tot_clicks;
   struct memory *memp;
+
+  kprintf("SYS_KMALLOC called by %d\n", m_ptr->m_source);
   
   tot_clicks = (m_ptr->MEM_CHUNK_SIZE + CLICK_SIZE-1) >> CLICK_SHIFT;
   memp = &mem[NR_MEMS];