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authorJoerg Roedel <joerg.roedel@amd.com>2011-09-06 14:36:17 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2011-09-06 14:36:17 +0200
commit85410340e0d0224c78c7d40a3ac7e1b3e9670cf1 (patch)
tree7893219f4af968ae38ca443f44b478cafd0bb519
parentiommu/core: use the existing IS_ALIGNED macro (diff)
downloadlinux-85410340e0d0224c78c7d40a3ac7e1b3e9670cf1.tar.xz
linux-85410340e0d0224c78c7d40a3ac7e1b3e9670cf1.zip
iommu/core: Use PAGE_SIZE instead of hard-coded value
Replace the hard-coded 4kb by PAGE_SIZE to make iommu-api implementations possible on architectures where PAGE_SIZE != 4kb. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
-rw-r--r--drivers/iommu/iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index e61a9bad6df3..30b064497486 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -100,7 +100,7 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
{
size_t size;
- size = 0x1000UL << gfp_order;
+ size = PAGE_SIZE << gfp_order;
BUG_ON(!IS_ALIGNED(iova | paddr, size));
@@ -112,7 +112,7 @@ int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order)
{
size_t size;
- size = 0x1000UL << gfp_order;
+ size = PAGE_SIZE << gfp_order;
BUG_ON(!IS_ALIGNED(iova, size));