diff --git a/ChangeLog b/ChangeLog
index 1453e9cc9d..480090e720 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2018-02-01  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/syscall-names.list: Update kernel
+	version to 4.15.
+	(s390_sthyi): New syscall.
+
 	* sysdeps/generic/ldbl-classify-compat.h: New file.
 	* sysdeps/arm/ldbl-classify-compat.h: Likewise.
 	* sysdeps/m68k/coldfire/ldbl-classify-compat.h: Likewise.
diff --git a/sysdeps/unix/sysv/linux/syscall-names.list b/sysdeps/unix/sysv/linux/syscall-names.list
index 64eb2adc03..ffbc5f97e9 100644
--- a/sysdeps/unix/sysv/linux/syscall-names.list
+++ b/sysdeps/unix/sysv/linux/syscall-names.list
@@ -22,8 +22,8 @@
 # names are only used if the installed kernel headers also provide
 # them.
 
-# The list of system calls is current as of Linux 4.14.
-kernel 4.14
+# The list of system calls is current as of Linux 4.15.
+kernel 4.15
 
 FAST_atomic_update
 FAST_cmpxchg
@@ -444,6 +444,7 @@ s390_guarded_storage
 s390_pci_mmio_read
 s390_pci_mmio_write
 s390_runtime_instr
+s390_sthyi
 sched_get_affinity
 sched_get_priority_max
 sched_get_priority_min