On Thu, Aug 14, 2025 at 10:39:12PM -0400, Zi Yan wrote: >and rename it to is_backed_by_folio(). > >is_backed_by_folio() checks if the given vaddr is backed a folio with >a given order. It does so by: >1. getting the pfn of the vaddr; >2. checking kpageflags of the pfn; > >if order is greater than 0: >3. checking kpageflags of the head pfn; >4. checking kpageflags of all tail pfns. > >pmd_order is added to split_huge_page_test.c and replaces max_order. > >Signed-off-by: Zi Yan <[email protected]>
Reviewed-by: Wei Yang <[email protected]> -- Wei Yang Help you, Help me
