doc mtrr-cleanup-debug.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>

---
 Documentation/kernel-parameters.txt |    3 +++
 arch/x86/kernel/cpu/mtrr/main.c     |    2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

Index: linux-2.6/Documentation/kernel-parameters.txt
===================================================================
--- linux-2.6.orig/Documentation/kernel-parameters.txt
+++ linux-2.6/Documentation/kernel-parameters.txt
@@ -620,6 +620,9 @@ and is between 256 and 4096 characters.
 			to discrete, to make X server driver able to add WB
 			entry later. This parameter enables/disables that.
 
+	mtrr-cleanup-debug [X86]
+			print out more debug info for mtrr cleanup.
+
 	mtrr_chunk_size=nn[KMG] [X86]
 			used for mtrr cleanup. It is largest continous chunk
 			that could hold holes aka. UC entries.
Index: linux-2.6/arch/x86/kernel/cpu/mtrr/main.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/main.c
+++ linux-2.6/arch/x86/kernel/cpu/mtrr/main.c
@@ -841,7 +841,7 @@ static int __init mtrr_cleanup_debug_set
 	debug_print = 1;
 	return 0;
 }
-early_param("mtrr_cleanup_debug", mtrr_cleanup_debug_setup);
+early_param("mtrr-cleanup-debug", mtrr_cleanup_debug_setup);
 
 struct var_mtrr_state {
 	unsigned long	range_startk;
--
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