From fd12a0d69aee6d90fa9b9890db24368a897f8423 Mon Sep 17 00:00:00 2001
From: Jack Steiner <steiner@sgi.com>
Date: Thu, 19 Nov 2009 14:23:41 -0600
Subject: x86: UV SGI: Don't track GRU space in PAT

GRU space is always mapped as WB in the page table. There is
no need to track the mappings in the PAT. This also eliminates
the "freeing invalid memtype" messages when the GRU space is
unmapped.

Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20091119202341.GA4420@sgi.com>
[ v2: fix build failure ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/x86_init.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/x86/kernel/x86_init.c')

diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 4449a4a2c2e..bcc749ef62d 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -13,6 +13,7 @@
 #include <asm/e820.h>
 #include <asm/time.h>
 #include <asm/irq.h>
+#include <asm/pat.h>
 #include <asm/tsc.h>
 
 void __cpuinit x86_init_noop(void) { }
@@ -69,6 +70,7 @@ struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
 };
 
 struct x86_platform_ops x86_platform = {
+	.is_untracked_pat_range		= default_is_untracked_pat_range,
 	.calibrate_tsc			= native_calibrate_tsc,
 	.get_wallclock			= mach_get_cmos_time,
 	.set_wallclock			= mach_set_rtc_mmss,
-- 
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