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    Subject[PATCH v10 01/17] iova: Export alloc_iova_fast() and free_iova_fast()
    Date
    Export alloc_iova_fast() and free_iova_fast() so that
    some modules can use it to improve iova allocation efficiency.

    Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
    ---
    drivers/iommu/iova.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
    index b6cf5f16123b..3941ed6bb99b 100644
    --- a/drivers/iommu/iova.c
    +++ b/drivers/iommu/iova.c
    @@ -521,6 +521,7 @@ alloc_iova_fast(struct iova_domain *iovad, unsigned long size,

    return new_iova->pfn_lo;
    }
    +EXPORT_SYMBOL_GPL(alloc_iova_fast);

    /**
    * free_iova_fast - free iova pfn range into rcache
    @@ -538,6 +539,7 @@ free_iova_fast(struct iova_domain *iovad, unsigned long pfn, unsigned long size)

    free_iova(iovad, pfn);
    }
    +EXPORT_SYMBOL_GPL(free_iova_fast);

    #define fq_ring_for_each(i, fq) \
    for ((i) = (fq)->head; (i) != (fq)->tail; (i) = ((i) + 1) % IOVA_FQ_SIZE)
    --
    2.11.0
    \
     
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