From: Al Viro <[email protected]>
Signed-off-by: Al Viro <[email protected]>
---
arch/x86/kernel/amd_gart_64.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c
index 2ef2933..94da9dd 100644
--- a/arch/x86/kernel/amd_gart_64.c
+++ b/arch/x86/kernel/amd_gart_64.c
@@ -736,7 +736,7 @@ int __init gart_iommu_init(void)
unsigned long iommu_start;
unsigned long aper_base, aper_size;
unsigned long start_pfn, end_pfn;
- unsigned long scratch;
+ void *scratch;
long i;
if (!amd_nb_has_feature(AMD_NB_GART))
@@ -841,7 +841,7 @@ int __init gart_iommu_init(void)
* Any prefetches that hit unmapped entries won't get an bus abort
* then. (P2P bridge may be prefetching on DMA reads).
*/
- scratch = (unsigned long)get_zeroed_page(GFP_KERNEL);
+ scratch = get_zeroed_page(GFP_KERNEL);
if (!scratch)
panic("Cannot allocate iommu scratch page");
gart_unmapped_entry = GPTE_ENCODE(__pa(scratch));
--
2.1.4
--
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