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x86: UV SGI: Don't track GRU space in PAT

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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>
This commit is contained in:
Jack Steiner
2009-11-19 14:23:41 -06:00
committed by Ingo Molnar
parent e38e2af1c5
commit fd12a0d69a
5 changed files with 33 additions and 4 deletions
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2
arch/x86/kernel/x86_init.c
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@@ -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,