1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 373ef66ca1dc..ae091cdc1a4d 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -476,7 +476,7 @@ static __init unsigned read_aperture(struct pci_dev *dev, u32 *size)
         aper_base <<= 25;
 
         aper_size = (32 * 1024 * 1024) << aper_order; 
-        if (aper_base + aper_size >= 0xffffffff || !aper_size)
+       if (aper_base + aper_size > 0x100000000UL || !aper_size)
                 aper_base = 0;
 
         *size = aper_size;