Re: [PATCH 05/22] mm: export alloc_pages_vma

Michal Hocko
2019-06-20T19:17:33Z

On Thu 13-06-19 11:43:08, Christoph Hellwig wrote:
> noveau is currently using this through an odd hmm wrapper, and I plan
> to switch it to the real thing later in this series.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> mm/mempolicy.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/mm/mempolicy.c b/mm/mempolicy.c
> index 01600d80ae01..f9023b5fba37 100644
> --- a/mm/mempolicy.c
> +++ b/mm/mempolicy.c
> @@ -2098,6 +2098,7 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
> out:
> return page;
> }
> +EXPORT_SYMBOL_GPL(alloc_pages_vma);

All allocator exported symbols are EXPORT_SYMBOL, what is a reason to
have this one special?

--
Michal Hocko
SUSE Labs