mm: remove use-once cache bias from LRU balancing

[sfrench/cifs-2.6.git] / Makefile

diff --git a/Makefile b/Makefile
index b668725a2a62a175f471b68bc035840f60dae5de..a7bc91cbac8fcb1f306185fb08362693508ef44d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -862,6 +862,12 @@ ifdef CONFIG_LIVEPATCH
 KBUILD_CFLAGS += $(call cc-option, -flive-patching=inline-clone)
 endif
 
+ifdef CONFIG_SHADOW_CALL_STACK
+CC_FLAGS_SCS   := -fsanitize=shadow-call-stack
+KBUILD_CFLAGS  += $(CC_FLAGS_SCS)
+export CC_FLAGS_SCS
+endif
+
 # arch Makefile may override CC so keep this after arch Makefile is included
 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)