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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-02 22:41:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-02 22:41:36 +0100 |
| commit | 923a789b49c7269a0245d5af6afe486188d940df (patch) | |
| tree | c3f168427372e64f7467a794f313416da5086ba0 /arch/x86/kernel/pci-dma.c | |
| parent | x86: mpparse.c fix style problems (diff) | |
| parent | Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| download | linux-923a789b49c7269a0245d5af6afe486188d940df.tar.xz linux-923a789b49c7269a0245d5af6afe486188d940df.zip | |
Merge branch 'linus' into x86/cleanups
Conflicts:
arch/x86/kernel/reboot.c
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 7a3dfceb90e4..19a1044a0cd9 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -101,11 +101,15 @@ static void __init dma32_free_bootmem(void) dma32_bootmem_ptr = NULL; dma32_bootmem_size = 0; } +#endif void __init pci_iommu_alloc(void) { +#ifdef CONFIG_X86_64 /* free the range so iommu could get some range less than 4G */ dma32_free_bootmem(); +#endif + /* * The order of these functions is important for * fall-back/fail-over reasons @@ -121,15 +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, dma_addr_t *dma_addr, gfp_t flag) { |