Re: [PATCH v7 01/12] iova: Export alloc_iova_fast()

Jason Wang
2021-05-26T02:36:29Z

在 2021/5/17 下午5:55, Xie Yongji 写道:
> Export alloc_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 | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
> index e6e2fa85271c..317eef64ffef 100644
> --- a/drivers/iommu/iova.c
> +++ b/drivers/iommu/iova.c
> @@ -450,6 +450,7 @@ 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

Interesting, do we need export free_iova_fast() as well?

Thanks