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-rw-r--r--include/asm-um/thread_info.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index 07aa4e50e4d..6e5fd5c892d 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -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)