[PATCH] mm/kfence: remove unnecessary CONFIG_KFENCE option

[tangmeng]

In mm/Makefile has:
obj-$(CONFIG_KFENCE) += kfence/

So that we don't need 'obj-$(CONFIG_KFENCE) :=' in mm/kfence/Makefile,
delete it from mm/kfence/Makefile.

Signed-off-by: tangmeng <tangmeng@xxxxxxxxxxxxx>
---
 mm/kfence/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kfence/Makefile b/mm/kfence/Makefile
index 6872cd5e5390..0bb95728a784 100644
--- a/mm/kfence/Makefile
+++ b/mm/kfence/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-obj-$(CONFIG_KFENCE) := core.o report.o
+obj-y := core.o report.o
 
 CFLAGS_kfence_test.o := -g -fno-omit-frame-pointer -fno-optimize-sibling-calls
 obj-$(CONFIG_KFENCE_KUNIT_TEST) += kfence_test.o
-- 
2.20.1