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xen-devel
[Xen-devel] [PATCH 01 of 14] x86: remove unused iommu_nr_pages
The last usage was removed by the patch set culminating in
commit e3c449f526cebb8d287241c7e82faafd9709668b
Author: Joerg Roedel <joerg.roedel@xxxxxxx>
Date: Wed Oct 15 22:02:11 2008 -0700
x86, AMD IOMMU: convert driver to generic iommu_num_pages function
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Cc: Joerg Roedel <joerg.roedel@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxxxxxx -r 9b89e3b4ca90
arch/x86/include/asm/iommu.h
---
arch/x86/include/asm/iommu.h | 2 --
arch/x86/kernel/pci-dma.c | 7 -------
2 files changed, 9 deletions(-)
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -7,8 +7,6 @@
extern int force_iommu, no_iommu;
extern int iommu_detected;
-extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
-
/* 10 seconds */
#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -121,13 +121,6 @@
pci_swiotlb_init();
}
-unsigned long iommu_nr_pages(unsigned long addr, unsigned long len)
-{
- unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE);
-
- return size >> PAGE_SHIFT;
-}
-EXPORT_SYMBOL(iommu_nr_pages);
#endif
void *dma_generic_alloc_coherent(struct device *dev, size_t size,
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