Re: [PATCH v2] infiniband/mm: convert put_page() to put_user_page*()

Christoph Hellwig
2019-05-26T11:30:48Z

On Sun, May 26, 2019 at 04:06:31AM -0700, Matthew Wilcox wrote:
> I thought we agreed at LSFMM that the future is a new get_user_bvec()
> / put_user_bvec(). This is largely going to touch the same places as
> step 2 in your list above. Is it worth doing step 2?
>
> One of the advantages of put_user_bvec() is that it would be quite easy
> to miss a conversion from put_page() to put_user_page(), but it'll be
> a type error to miss a conversion from put_page() to put_user_bvec().

FYI, I've got a prototype for get_user_pages_bvec. I'll post a RFC
series in a few days.