diff --git a/[refs] b/[refs]
index a5bfb23bdd3e..4108b1852428 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: adb3789264c4e8567113a0e764ad30ce6e8737f3
+refs/heads/master: 80fa8181aabeb10389c8810f97e2737eb084ce8f
diff --git a/trunk/arch/mips/include/uapi/asm/signal.h b/trunk/arch/mips/include/uapi/asm/signal.h
index d6b18b4d0f3a..addb9f556b71 100644
--- a/trunk/arch/mips/include/uapi/asm/signal.h
+++ b/trunk/arch/mips/include/uapi/asm/signal.h
@@ -72,6 +72,12 @@ typedef unsigned long old_sigset_t;		/* at least 32 bits */
  *
  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  * Unix names RESETHAND and NODEFER respectively.
+ *
+ * SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
+ * supported its use and no libc was using it, so the entire sa-restorer
+ * functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
+ * retaining only the SA_RESTORER definition as a reminder to avoid
+ * accidental reuse of the mask bit.
  */
 #define SA_ONSTACK	0x08000000
 #define SA_RESETHAND	0x80000000
@@ -84,8 +90,6 @@ typedef unsigned long old_sigset_t;		/* at least 32 bits */
 #define SA_NOMASK	SA_NODEFER
 #define SA_ONESHOT	SA_RESETHAND
 
-#define SA_RESTORER	0x04000000	/* Only for o32 */
-
 #define MINSIGSTKSZ    2048
 #define SIGSTKSZ       8192