--- a/Makefile
+++ b/Makefile
-@@ -405,6 +405,11 @@ KBUILD_CFLAGS_MODULE := -DMODULE
- KBUILD_LDFLAGS_MODULE = -T $(srctree)/scripts/module-common.lds $(if $(CONFIG_PROFILING),,-s)
- GCC_PLUGINS_CFLAGS :=
+@@ -272,6 +272,11 @@ else
+ scripts/Kbuild.include: ;
+ include scripts/Kbuild.include
+ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+KBUILD_CFLAGS_KERNEL += $(call cc-option,-ffunction-sections,)
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
-@@ -785,11 +790,6 @@ ifdef CONFIG_DEBUG_SECTION_MISMATCH
+@@ -781,11 +786,6 @@ ifdef CONFIG_DEBUG_SECTION_MISMATCH
KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once)
endif