Re: [PATCH 4/7] mm: Introduce verify_page_range()

[Christoph Hellwig]

On Mon, Apr 12, 2021 at 10:00:16AM +0200, Peter Zijlstra wrote:
> +extern int verify_page_range(struct mm_struct *mm,

No need for the extern here.

> +int verify_page_range(struct mm_struct *mm,
> +		      unsigned long addr, unsigned long size,
> +		      int (*fn)(pte_t pte, unsigned long addr, void *data),
> +		      void *data)

A kerneldoc comment would be nice for this function.

Otherwise this looks fine.