diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 6c03928544c2..b12d6d13202a 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -405,6 +405,8 @@ efi_map_pal_code (void)
 	ia64_srlz_i();
 }
 
+extern char __initdata boot_command_line[];
+
 void __init
 efi_init (void)
 {
@@ -413,11 +415,10 @@ efi_init (void)
 	efi_char16_t *c16;
 	u64 efi_desc_size;
 	char *cp, vendor[100] = "unknown";
-	extern char saved_command_line[];
 	int i;
 
 	/* it's too early to be able to use the standard kernel command line support... */
-	for (cp = saved_command_line; *cp; ) {
+	for (cp = boot_command_line; *cp; ) {
 		if (memcmp(cp, "mem=", 4) == 0) {
 			mem_limit = memparse(cp + 4, &cp);
 		} else if (memcmp(cp, "max_addr=", 9) == 0) {
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 20bad78b5073..831d57f257db 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -190,13 +190,14 @@ sal_desc_ap_wakeup (void *p)
 	}
 }
 
+extern char __initdata boot_command_line[];
+
 static void __init
 chk_nointroute_opt(void)
 {
 	char *cp;
-	extern char saved_command_line[];
 
-	for (cp = saved_command_line; *cp; ) {
+	for (cp = boot_command_line; *cp; ) {
 		if (memcmp(cp, "nointroute", 10) == 0) {
 			no_int_routing = 1;
 			printk ("no_int_routing on\n");
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 83c2629e1c4c..5fa09d141ab7 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -262,7 +262,7 @@ reserve_memory (void)
 	 * appropriate after a kernel panic.
 	 */
 	{
-		char *from = strstr(saved_command_line, "crashkernel=");
+		char *from = strstr(boot_command_line, "crashkernel=");
 		unsigned long base, size;
 		if (from) {
 			size = memparse(from + 12, &from);
@@ -463,7 +463,7 @@ setup_arch (char **cmdline_p)
 	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
 
 	*cmdline_p = __va(ia64_boot_param->command_line);
-	strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+	strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
 
 	efi_init();
 	io_port_init();