Re: [PATCH RFC 10/10] mm/hugetlb: Comment at rest huge_pte_offset() places

[Nadav Amit]

On Oct 30, 2022, at 2:30 PM, Peter Xu <peterx@xxxxxxxxxx> wrote:

> +		/* With vma lock held, safe without RCU */
> 		src_pte = huge_pte_offset(src, addr, sz);

Just another option to consider: you can create an inline function
huge_pte_offset_locked_mm(), which would do the lockdep_assert_held_*().

I personally would prefer it, since it would clarify exactly the lock you
care about and "make the code document itself”.