Re: [PATCH v1 06/36] mm/page_alloc: reject unreasonable folio/compound page sizes in alloc_contig_range_noprof()

On Thu, Aug 28, 2025 at 12:01:10AM +0200, David Hildenbrand wrote:

Let's reject them early, 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.

Reviewed-by: Zi Yan ziy@nvidia.com Acked-by: SeongJae Park sj@kernel.org Signed-off-by: David Hildenbrand david@redhat.com

Reviewed-by: Wei Yang richard.weiyang@gmail.com