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-rw-r--r--include/linux/compiler-gcc.h4
-rw-r--r--include/linux/compiler.h4
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 2272ded07496..7bba8e28c529 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -196,6 +196,10 @@
#endif /* __CHECKER__ */
#endif /* GCC_VERSION >= 40300 */
+#if GCC_VERSION >= 40400
+#define __optimize(level) __attribute__((__optimize__(level)))
+#endif /* GCC_VERSION >= 40400 */
+
#if GCC_VERSION >= 40500
#ifndef __CHECKER__
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 188ed9f65517..cdc629f20e20 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -271,6 +271,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
#endif /* __ASSEMBLY__ */
+#ifndef __optimize
+# define __optimize(level)
+#endif
+
/* Compile time object size, -1 for unknown */
#ifndef __compiletime_object_size
# define __compiletime_object_size(obj) -1