Re: [PATCH v2 1/6] mm/migrate: introduce migrate_pfn_to_folio()

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Fri, Feb 16, 2024 at 01:13:15PM -0800, Sidhartha Kumar wrote:
> +static inline struct folio *migrate_pfn_to_folio(unsigned long mpfn)
> +{
> +	return page_folio(migrate_pfn_to_page(mpfn));

umm, no.

	struct page *page = migrate_pfn_to_page(mpfn);
	if (page)
		return page_folio(page);
	return NULL;