diff options
| -rw-r--r-- | gcip-kernel-driver/drivers/gcip/gcip-iommu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcip-kernel-driver/drivers/gcip/gcip-iommu.c b/gcip-kernel-driver/drivers/gcip/gcip-iommu.c index 2e0dac6..979eb86 100644 --- a/gcip-kernel-driver/drivers/gcip/gcip-iommu.c +++ b/gcip-kernel-driver/drivers/gcip/gcip-iommu.c @@ -102,7 +102,12 @@ static dma_addr_t iovad_alloc_iova_space(struct gcip_iommu_domain *domain, size_ { unsigned long iova, shift = gcip_iommu_domain_shift(domain); - iova = alloc_iova_fast(&domain->iova_space.iovad, size >> shift, + size = size >> shift; + + if (size < (1 << (IOVA_RANGE_CACHE_MAX_SIZE - 1))) + size = roundup_pow_of_two(size); + + iova = alloc_iova_fast(&domain->iova_space.iovad, size, domain->domain_pool->last_daddr >> shift, true); return (dma_addr_t)iova << shift; |