diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7438071..3b3e3b8 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1334,7 +1334,8 @@
 extern void si_meminfo_node(struct sysinfo *val, int nid);
 extern int after_bootmem;
 
-extern void warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);
+extern __printf(3, 4)
+void warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...);
 
 extern void setup_per_cpu_pageset(void);