Add new syscalls.

arch/alpha/kernel/systbls.S

@@ -423,7 +423,13 @@ sys_call_table:
 	.quad sys_io_cancel
 	.quad sys_ni_syscall			/* 403, sys_alloc_hugepages */
 	.quad sys_ni_syscall			/* 404, sys_free_hugepages */
-	.quad sys_exit_group
+	.quad sys_exit_group			/* 405 */
+	.quad sys_lookup_dcookie
+	.quad sys_epoll_create
+	.quad sys_epoll_ctl
+	.quad sys_epoll_wait
+	.quad sys_remap_file_pages		/* 410 */
+	.quad sys_set_tid_address
 
 	.size sys_call_table, . - sys_call_table
 	.type sys_call_table, @object

include/asm-alpha/unistd.h

@@ -343,7 +343,13 @@
 #define __NR_alloc_hugepages		403
 #define __NR_free_hugepages		404
 #define __NR_exit_group			405
-#define NR_SYSCALLS			406
+#define __NR_lookup_dcookie		406
+#define __NR_sys_epoll_create		407
+#define __NR_sys_epoll_ctl		408
+#define __NR_sys_epoll_wait		409
+#define __NR_remap_file_pages		410
+#define __NR_set_tid_address		411
+#define NR_SYSCALLS			412
 
 #if defined(__GNUC__)