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-rw-r--r--arch/um/Makefile9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 48d92bbe62e9..36e658a4291c 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -33,12 +33,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
HEADER_ARCH := $(SUBARCH)
-# Additional ARCH settings for x86
-ifeq ($(SUBARCH),i386)
- HEADER_ARCH := x86
+ifneq ($(filter $(SUBARCH),x86 x86_64 i386),)
+ HEADER_ARCH := x86
endif
-ifeq ($(SUBARCH),x86_64)
- HEADER_ARCH := x86
+
+ifdef CONFIG_64BIT
KBUILD_CFLAGS += -mcmodel=large
endif