Re: [PATCH 4/7] mm/hugetlb: Prepare hugetlb_follow_page_mask() for FOLL_PIN

From: Peter Xu
Date: Wed Jun 14 2023 - 11:52:20 EST


On Wed, Jun 14, 2023 at 05:47:31PM +0200, David Hildenbrand wrote:
> Right. Then just call patch #2 "Add missing write-permission check" and this
> patch "Support FOLL_PIN in hugetlb_follow_page_mask()" or sth. like that.
>
> Regarding the backport, I really wonder if patch #2 is required at all,
> because I didn't sport any applicable FOLL_WRITE users. Maybe there were
> some? Hm. If it's not applicable, a single "Support FOLL_PIN in
> hugetlb_follow_page_mask()" patch might be cleanest.

Yeah, I agree. The code is definitely needed, not the split of patches if
no need for a backport. Let me merge then.

--
Peter Xu