perf_counter: Rename L2 to LL cache

The top (fastest) and last level (biggest) caches are the most
interesting ones, performance wise.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
[ Fixed the Nehalem LL table to LLC Reference/Miss events ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index 0cd406ee..46f74be 100644
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -493,7 +493,7 @@
 		[C(OP_WRITE)] = {	-1,		-1		},
 		[C(OP_PREFETCH)] = {	0x4008c,	0		},
 	},
-	[C(L2)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+	[C(LL)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
 		[C(OP_READ)] = {	0x150730,	0x250532	},
 		[C(OP_WRITE)] = {	0x250432,	0x150432	},
 		[C(OP_PREFETCH)] = {	0x810a6,	0		},