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x86: remove unused iommu_nr_pages

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Impact: cleanup, remove dead code

The last usage was removed by the patch set culminating in

| commit e3c449f526
| Author: Joerg Roedel <joerg.roedel@amd.com>
| 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@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge
2008-12-16 12:17:25 -08:00
committed by Ingo Molnar
parent 8b1fae4e42
commit a79b7a2a75
2 changed files with 0 additions and 9 deletions
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7
arch/x86/kernel/pci-dma.c
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@@ -125,13 +125,6 @@ void __init pci_iommu_alloc(void)
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,