linux-kernel - [PATCH] iommu/core: Use PAGE_SIZE instead of hard-coded value

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Date:	Tue, 6 Sep 2011 14:42:06 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	<iommu@...ts.linux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH] 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@....com>
---
 drivers/iommu/iommu.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index e61a9ba..30b0644 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));
 
-- 
1.7.4.1


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