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authorYinghai Lu <yhlu.kernel@gmail.com>2008-07-13 14:29:41 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-14 09:24:16 +0200
commit32b23e9a7331fce57eb0af52e19e8409fdef831b (patch)
treefc13403009f0075f369e19e7825e04f9ecb850c7 /arch/x86/kernel
parent11369f356b66d363a615fde2c5526962f7683674 (diff)
x86: max_low_pfn_mapped fix #4
only add direct mapping for aperture Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/pci-gart_64.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index a614ee10f84..c3fe78406d1 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -679,11 +679,8 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
/* need to map that range */
end_pfn = (aper_base>>PAGE_SHIFT) + (aper_size>>PAGE_SHIFT);
if (end_pfn > max_low_pfn_mapped) {
- start_pfn = max_low_pfn_mapped;
- max_low_pfn_mapped = init_memory_mapping(start_pfn<<PAGE_SHIFT,
- end_pfn<<PAGE_SHIFT);
- if (max_pfn_mapped < max_low_pfn_mapped)
- max_pfn_mapped = max_low_pfn_mapped;
+ start_pfn = (aper_base>>PAGE_SHIFT);
+ init_memory_mapping(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
}
return 0;