fork: Move thread info gfp flags to header
These flags can be useful for extra allocations outside of the core
code.
Add __GFP_NOTRACK to them, so the archs which have kmemcheck do
not have to provide extra allocators just for that reason.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120505150141.428211694@linutronix.de
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 8d03f07..db78775 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -54,6 +54,12 @@
#ifdef __KERNEL__
+#ifdef CONFIG_DEBUG_STACK_USAGE
+# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO)
+#else
+# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK)
+#endif
+
/*
* flag set/clear/test wrappers
* - pass TIF_xxxx constants to these functions