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

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

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