Re: [PATCH RFC 06/35] mm/page_alloc: reject unreasonable folio/compound page sizes in alloc_contig_range_noprof()

SeongJae Park
2025-08-22T17:07:54Z

On Thu, 21 Aug 2025 22:06:32 +0200 David Hildenbrand <david@redhat.com> wrote:

> Let's reject them early,

I like early failures. :)

> which in turn makes folio_alloc_gigantic() reject
> them properly.
>
> To avoid converting from order to nr_pages, let's just add MAX_FOLIO_ORDER
> and calculate MAX_FOLIO_NR_PAGES based on that.
>
> Signed-off-by: David Hildenbrand <david@redhat.com>

Acked-by: SeongJae Park <sj@kernel.org>

Thanks,
SJ …