diff options
| author | Ingo Molnar <[email protected]> | 2008-08-14 10:55:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-08-14 10:55:26 +0200 |
| commit | d4439087d316613548c70472291bf4ca646ce24b (patch) | |
| tree | 4819f39cbbfcc2ed9c9f85c7a91cbf142f5b02d4 /arch/x86/kernel/pci-dma.c | |
| parent | 26d809af6397ce5c37f5c44d89734d19cce1ad25 (diff) | |
| parent | 30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff) | |
Merge commit 'v2.6.27-rc3' into x86/xsave
Conflicts:
arch/x86/kernel/genapic_64.c
include/asm-x86/kvm_host.h
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 8dbffb846de9..87d4d6964ec2 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -123,6 +123,14 @@ void __init pci_iommu_alloc(void) pci_swiotlb_init(); } + +unsigned long iommu_num_pages(unsigned long addr, unsigned long len) +{ + unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE); + + return size >> PAGE_SHIFT; +} +EXPORT_SYMBOL(iommu_num_pages); #endif /* |