Add generic exit-time stack-depth checking to CONFIG_DEBUG_STACK_USAGE
[linux-2.6.git] / include / asm-um / thread_info.h
index 07aa4e5..6e5fd5c 100644 (file)
@@ -52,10 +52,19 @@ static inline struct thread_info *current_thread_info(void)
        return ti;
 }
 
+#ifdef CONFIG_DEBUG_STACK_USAGE
+
+#define alloc_thread_info(tsk) \
+       ((struct thread_info *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, \
+                                                CONFIG_KERNEL_STACK_ORDER))
+#else
+
 /* thread information allocation */
 #define alloc_thread_info(tsk) \
        ((struct thread_info *) __get_free_pages(GFP_KERNEL, \
                                                 CONFIG_KERNEL_STACK_ORDER))
+#endif
+
 #define free_thread_info(ti) \
        free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER)