1 files changed, 5 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 0fea5c2681..9646859083 100644
--- a/Makefile
+++ b/Makefile
@@ -529,7 +529,11 @@ else
 include/config/auto.conf: ;
 endif # $(dot-config)
 
-KBUILD_CFLAGS += -Os #-fomit-frame-pointer
+ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+KBUILD_CFLAGS	+= -Os
+else
+KBUILD_CFLAGS	+= -O2
+endif
 
 ifdef BUILD_TAG
 KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'