[PATCH 14/15] x86-64: Calgary - only reserve the first 1MB of IO space for CalIOC2

[muli]

From: Muli Ben-Yehuda <[EMAIL PROTECTED]>

Signed-off-by: Muli Ben-Yehuda <[EMAIL PROTECTED]>
---
 arch/x86_64/kernel/pci-calgary.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 0bb0eb0..1df556c 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -808,13 +808,13 @@ static void __init calgary_reserve_regio
        iommu_range_reserve(tbl, bad_dma_address, EMERGENCY_PAGES);
 
        /* avoid the BIOS/VGA first 640KB-1MB region */
-       /* for CalIOC2 - avoid the entire first 2MB */
+       /* for CalIOC2 - avoid the entire first MB */
        if (is_calgary(dev->device)) {
                start = (640 * 1024);
                npages = ((1024 - 640) * 1024) >> PAGE_SHIFT;
        } else { /* calioc2 */
                start = 0;
-               npages = (2 * 1024 * 1024) >> PAGE_SHIFT;
+               npages = (1 * 1024 * 1024) >> PAGE_SHIFT;
        }
        iommu_range_reserve(tbl, start, npages);
 
-- 
1.4.4

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