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-rw-r--r--arch/x86_64/mm/init.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 5337ca0ea7b..e93867850a4 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -23,6 +23,7 @@
#include <linux/bootmem.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <asm/processor.h>
#include <asm/system.h>
@@ -38,11 +39,16 @@
#include <asm/proto.h>
#include <asm/smp.h>
#include <asm/sections.h>
+#include <asm/dma-mapping.h>
+#include <asm/swiotlb.h>
#ifndef Dprintk
#define Dprintk(x...)
#endif
+struct dma_mapping_ops* dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
static unsigned long dma_reserve __initdata;
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -423,12 +429,9 @@ void __init mem_init(void)
long codesize, reservedpages, datasize, initsize;
#ifdef CONFIG_SWIOTLB
- if (!iommu_aperture &&
- ((end_pfn-1) >= 0xffffffff>>PAGE_SHIFT || force_iommu))
- swiotlb = 1;
- if (swiotlb)
- swiotlb_init();
+ pci_swiotlb_init();
#endif
+ no_iommu_init();
/* How many end-of-memory variables you have, grandma! */
max_low_pfn = end_pfn;