From mboxrd@z Thu Jan  1 00:00:00 1970
From: Haggai Eran <haggaie-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH 3/8] IB/odp: export rbt_ib_umem_for_each_in_range()
Date: Tue, 21 Jul 2015 11:30:01 +0300
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List-Id: linux-rdma@vger.kernel.org

On 17/07/2015 22:01, J=C3=A9r=C3=B4me Glisse wrote:
> The mlx5 driver will need this function for its driver specific bit
> of ODP (on demand paging) on HMM (Heterogeneous Memory Management).
>=20
> Signed-off-by: J=C3=A9r=C3=B4me Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
>  drivers/infiniband/core/umem_rbtree.c | 1 +
>  1 file changed, 1 insertion(+)
>=20
> diff --git a/drivers/infiniband/core/umem_rbtree.c b/drivers/infiniba=
nd/core/umem_rbtree.c
> index 727d788..f030ec0 100644
> --- a/drivers/infiniband/core/umem_rbtree.c
> +++ b/drivers/infiniband/core/umem_rbtree.c
> @@ -92,3 +92,4 @@ int rbt_ib_umem_for_each_in_range(struct rb_root *r=
oot,
> =20
>  	return ret_val;
>  }
> +EXPORT_SYMBOL(rbt_ib_umem_for_each_in_range);
>=20

Perhaps it would be better if the driver didn't access the internal
rbtree directly, and instead used something like an
ib_mirror_for_each_range() to do this.
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