On 4/13/21 3:47 AM, Oscar Salvador wrote: > pfn_range_valid_contig() bails out when it finds an in-use page or a > hugetlb page, among other things. > We can drop the in-use page check since __alloc_contig_pages can migrate > away those pages, and the hugetlb page check can go too since > isolate_migratepages_range is now capable of dealing with hugetlb pages. > Either way, those checks are racy so let the end function handle it > when the time comes. > > Signed-off-by: Oscar Salvador <osalvador@xxxxxxx> > Suggested-by: David Hildenbrand <david@xxxxxxxxxx> > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > --- > mm/page_alloc.c | 6 ------ > 1 file changed, 6 deletions(-) Acked-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz