iommu/vt-d: Don't use magic number in dma_pte_superpage

Use the already defined DMA_PTE_LARGE_PAGE for testing
instead of hardcoding the value again.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2014-07-04 11:19:10 +02:00
parent 9b27e82d20
commit c3c75eb7fa

View file

@ -304,7 +304,7 @@ static inline bool dma_pte_present(struct dma_pte *pte)
static inline bool dma_pte_superpage(struct dma_pte *pte)
{
return (pte->val & (1 << 7));
return (pte->val & DMA_PTE_LARGE_PAGE);
}
static inline int first_pte_in_page(struct dma_pte *pte)