diff --git a/arch/mips/include/uapi/asm/types.h b/arch/mips/include/uapi/asm/types.h
index 7ac9d0baad84..f3dd9ff0cc0c 100644
--- a/arch/mips/include/uapi/asm/types.h
+++ b/arch/mips/include/uapi/asm/types.h
@@ -14,9 +14,12 @@
 /*
  * We don't use int-l64.h for the kernel anymore but still use it for
  * userspace to avoid code changes.
+ *
+ * However, some user programs (e.g. perf) may not want this. They can
+ * flag __SANE_USERSPACE_TYPES__ to get int-ll64.h here.
  */
 #ifndef __KERNEL__
-# if _MIPS_SZLONG == 64
+# if _MIPS_SZLONG == 64 && !defined(__SANE_USERSPACE_TYPES__)
 #  include <asm-generic/int-l64.h>
 # else
 #  include <asm-generic/int-ll64.h>