diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 95f517515235ef1612d35f1eb635c407c0a7dad7..c36f43c9460094cfa72f9f5f73839965481c53fa 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1581,7 +1581,7 @@ sys_call_table:
 	data8 sys_sync_file_range		// 1300
 	data8 sys_tee
 	data8 sys_vmsplice
-	data8 sys_ni_syscall			// reserved for move_pages
+	data8 sys_fallocate
 	data8 sys_getcpu
 	data8 sys_epoll_pwait			// 1305
 	data8 sys_utimensat
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 441c9e0017762b0133c8a2e017e62596b2b8e11a..315f8de950a23a48cbc765b660d610d9ebd8725f 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -292,7 +292,7 @@
 #define __NR_sync_file_range		1300
 #define __NR_tee			1301
 #define __NR_vmsplice			1302
-/* 1303 reserved for move_pages */
+#define __NR_fallocate			1303
 #define __NR_getcpu			1304
 #define __NR_epoll_pwait		1305
 #define __NR_utimensat			1306