Commit 5d5d75ff authored by Wei Yang's avatar Wei Yang Committed by Andrew Morton
Browse files

mm/rmap: use folio_large_nr_pages() when we are sure it is a large folio 

Non-large folio is handled at the beginning, so it is a large folio for
sure.

Use folio_large_nr_pages() here like elsewhere.

Link: https://lkml.kernel.org/r/20250817032647.29147-3-richard.weiyang@gmail.com


Signed-off-by: default avatarWei Yang <richard.weiyang@gmail.com>
Reviewed-by: default avatarLorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e5e75892

mm/rmap.c

+1 −1
Original line number Diff line number Diff line
@@ -1702,7 +1702,7 @@ static __always_inline void __folio_remove_rmap(struct folio *folio, 
			nr = folio_sub_return_large_mapcount(folio, nr_pages, vma);

			if (!nr) {

				/* Now completely unmapped. */

				nr = folio_nr_pages(folio);

				nr = folio_large_nr_pages(folio);

			} else {

				partially_mapped = nr < folio_large_nr_pages(folio) &&

						   !folio_entire_mapcount(folio);