Hugetlb folios still get special treatment, but normal large folios
can now be freed by free_unref_folios(). This should have a reasonable
performance impact, TBD.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
---
mm/swap.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/mm/swap.c b/mm/swap.c
index dce5ea67ae05..6b697d33fa5b 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1003,12 +1003,13 @@ void folios_put_refs(struct folio_batch *folios, unsigned int *refs)
if (!folio_ref_sub_and_test(folio, nr_refs))
continue;
- if (folio_test_large(folio)) {
+ /* hugetlb has its own memcg */
+ if (folio_test_hugetlb(folio)) {
if (lruvec) {
unlock_page_lruvec_irqrestore(lruvec, flags);
lruvec = NULL;
}
- __folio_put_large(folio);
+ free_huge_folio(folio);
continue;
}
--
2.43.0
