diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 7f5468b..7f1377e 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -565,7 +565,7 @@
 	sys	sys_ioprio_get		2	/* 4315 */
 	sys	sys_utimensat		4
 	sys	sys_signalfd		3
-	sys	sys_ni_syscall		0
+	sys	sys_ni_syscall		0	/* was timerfd */
 	sys	sys_eventfd		1
 	sys	sys_fallocate		6	/* 4320 */
 	sys	sys_timerfd_create	2
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a2e1fcb..7c0ef7f 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -404,7 +404,7 @@
 	PTR	sys_ioprio_get
 	PTR	sys_utimensat			/* 5275 */
 	PTR	sys_signalfd
-	PTR	sys_ni_syscall
+	PTR	sys_ni_syscall			/* was timerfd */
 	PTR	sys_eventfd
 	PTR	sys_fallocate
 	PTR	sys_timerfd_create		/* 5280 */
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index b2c7624..de6c556 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -403,7 +403,7 @@
 	PTR	sys_ioprio_get
 	PTR	compat_sys_utimensat
 	PTR	compat_sys_signalfd		/* 6280 */
-	PTR	sys_ni_syscall
+	PTR	sys_ni_syscall			/* was timerfd */
 	PTR	sys_eventfd
 	PTR	sys_fallocate
 	PTR	sys_timerfd_create
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 049a9c8..b0541dd 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -522,7 +522,7 @@
 	PTR	sys_ioprio_get			/* 4315 */
 	PTR	compat_sys_utimensat
 	PTR	compat_sys_signalfd
-	PTR	sys_ni_syscall
+	PTR	sys_ni_syscall			/* was timerfd */
 	PTR	sys_eventfd
 	PTR	sys32_fallocate			/* 4320 */
 	PTR	sys_timerfd_create