tasking: add loading of a process' page directory before switching

include/task.h

@@ -22,6 +22,8 @@ typedef struct Process
 	uintptr_t* stackPointer;   // Stack Pointer
 	uint32_t   flags;		   // Status/Flags register
 	struct Process*   next;		   // Pointer to the next task in the list
+
+	uint32_t* page_directory;
 } Process;
 
 Process* task_create(EntryPoint func, void** args, uint32_t arg_count);