diff --git a/include/linux/set_memory.h b/include/linux/set_memory.h
index 95ac8398ee72..e7aec20fb44f 100644
--- a/include/linux/set_memory.h
+++ b/include/linux/set_memory.h
@@ -8,10 +8,10 @@
 #ifdef CONFIG_ARCH_HAS_SET_MEMORY
 #include <asm/set_memory.h>
 #else
-static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
-static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
-static inline int set_memory_x(unsigned long addr,  int numpages) { return 0; }
-static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
+static inline int __must_check set_memory_ro(unsigned long addr, int numpages) { return 0; }
+static inline int __must_check set_memory_rw(unsigned long addr, int numpages) { return 0; }
+static inline int __must_check set_memory_x(unsigned long addr,  int numpages) { return 0; }
+static inline int __must_check set_memory_nx(unsigned long addr, int numpages) { return 0; }
 #endif
 
 #ifndef set_memory_rox