x86/oprofile: rename kernel parameter for architectural perfmon to arch_perfmon

The short name of the achitecture is 'arch_perfmon'. This patch
changes the kernel parameter to use this name.

Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 92e1ab8..c59e965 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1728,8 +1728,8 @@
 	oprofile.cpu_type=	Force an oprofile cpu type
 			This might be useful if you have an older oprofile
 			userland or if you want common events.
-			Format: { archperfmon }
-			archperfmon: [X86] Force use of architectural
+			Format: { arch_perfmon }
+			arch_perfmon: [X86] Force use of architectural
 				perfmon on Intel CPUs instead of the
 				CPU specific event set.
 
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index b07dd8d..89b9a5c 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -390,7 +390,7 @@
 static int force_arch_perfmon;
 static int force_cpu_type(const char *str, struct kernel_param *kp)
 {
-	if (!strcmp(str, "archperfmon")) {
+	if (!strcmp(str, "arch_perfmon")) {
 		force_arch_perfmon = 1;
 		printk(KERN_INFO "oprofile: forcing architectural perfmon\n");
 	}