diff --git a/linux/s390/syscallent.h b/linux/s390/syscallent.h
index 15b27e6e..b04c02ed 100644
--- a/linux/s390/syscallent.h
+++ b/linux/s390/syscallent.h
@@ -178,7 +178,7 @@
 	{ 1,	0,	sys_getsid,		"getsid"	}, /* 147 */
 	{ 1,	0,	sys_fdatasync,		"fdatasync"	}, /* 148 */
 	{ 1,	0,	sys_sysctl,		"_sysctl"	}, /* 149 */
-	{ 1,	0,	sys_mlock,		"mlock"		}, /* 150 */
+	{ 2,	0,	sys_mlock,		"mlock"		}, /* 150 */
 	{ 2,	0,	sys_munlock,		"munlock"	}, /* 151 */
 	{ 2,	0,	sys_mlockall,		"mlockall"	}, /* 152 */
 	{ 0,	0,	sys_munlockall,		"munlockall"	}, /* 153 */
diff --git a/linux/s390x/syscallent.h b/linux/s390x/syscallent.h
index 1e2e240b..f56f232e 100644
--- a/linux/s390x/syscallent.h
+++ b/linux/s390x/syscallent.h
@@ -177,7 +177,7 @@
 	{ 1,	0,	sys_getsid,		"getsid"	}, /* 147 */
 	{ 1,	0,	sys_fdatasync,		"fdatasync"	}, /* 148 */
 	{ 1,	0,	sys_sysctl,		"_sysctl"	}, /* 149 */
-	{ 1,	0,	sys_mlock,		"mlock"		}, /* 150 */
+	{ 2,	0,	sys_mlock,		"mlock"		}, /* 150 */
 	{ 2,	0,	sys_munlock,		"munlock"	}, /* 151 */
 	{ 2,	0,	sys_mlockall,		"mlockall"	}, /* 152 */
 	{ 0,	0,	sys_munlockall,		"munlockall"	}, /* 153 */
diff --git a/linux/syscallent.h b/linux/syscallent.h
index 36e6255d..ee676ea8 100644
--- a/linux/syscallent.h
+++ b/linux/syscallent.h
@@ -186,7 +186,7 @@
 	{ 1,	0,	sys_getsid,		"getsid"	}, /* 147 */
 	{ 1,	0,	sys_fdatasync,		"fdatasync"	}, /* 148 */
 	{ 1,	0,	sys_sysctl,		"_sysctl"	}, /* 149 */
-	{ 1,	0,	sys_mlock,		"mlock"		}, /* 150 */
+	{ 2,	0,	sys_mlock,		"mlock"		}, /* 150 */
 	{ 2,	0,	sys_munlock,		"munlock"	}, /* 151 */
 	{ 2,	0,	sys_mlockall,		"mlockall"	}, /* 152 */
 	{ 0,	0,	sys_munlockall,		"munlockall"	}, /* 153 */
diff --git a/linux/x86_64/syscallent.h b/linux/x86_64/syscallent.h
index ba458167..56c12534 100644
--- a/linux/x86_64/syscallent.h
+++ b/linux/x86_64/syscallent.h
@@ -147,7 +147,7 @@
 	{ 1,	0,	sys_sched_get_priority_max,	"sched_get_priority_max"	},  /* 146 */
 	{ 1,	0,	sys_sched_get_priority_min,	"sched_get_priority_min"	},  /* 147 */
 	{ 2,	0,	sys_sched_rr_get_interval,	"sched_rr_get_interval"	},  /* 148 */
-	{ 1,	0,	sys_mlock,		"mlock"		},  /* 149 */
+	{ 2,	0,	sys_mlock,		"mlock"		},  /* 149 */
 	{ 2,	0,	sys_munlock,		"munlock"	},  /* 150 */
 	{ 2,	0,	sys_mlockall,		"mlockall"	},  /* 151 */
 	{ 0,	0,	sys_munlockall,		"munlockall"	},  /* 152 */