[PATCH 5/7] pci: make irq2_iommu to use dyn_array

[Yinghai Lu]

Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>

---
 drivers/pci/intr_remapping.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Index: linux-2.6/drivers/pci/intr_remapping.c
===================================================================
--- linux-2.6.orig/drivers/pci/intr_remapping.c
+++ linux-2.6/drivers/pci/intr_remapping.c
@@ -11,12 +11,14 @@ static struct ioapic_scope ir_ioapic[MAX
 static int ir_ioapic_num;
 int intr_remapping_enabled;
 
-static struct {
+static struct irq_2_iommu {
 	struct intel_iommu *iommu;
 	u16 irte_index;
 	u16 sub_handle;
 	u8  irte_mask;
-} irq_2_iommu[NR_IRQS];
+} *irq_2_iommu;
+
+DEFINE_DYN_ARRAY(irq_2_iommu, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
 
 static DEFINE_SPINLOCK(irq_2_ir_lock);
 
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