Re: [PATCH RFC 06/35] mm/page_alloc: reject unreasonable folio/compound page sizes in alloc_contig_range_noprof()
Zi Yan <[email protected]>
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On 21 Aug 2025, at 16:06, 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. > > Signed-off-by: David Hildenbrand <[email protected]> > --- > include/linux/mm.h | 6 ++++-- > mm/page_alloc.c | 5 ++++- > 2 files changed, 8 insertions(+), 3 deletions(-) > LGTM. Reviewed-by: Zi Yan <[email protected]> Best Regards, Yan, Zi