The quilt patch titled
Subject: mm: allow non-hugetlb large folios to be batch processed
has been removed from the -mm tree. Its filename was
mm-allow-non-hugetlb-large-folios-to-be-batch-processed.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: allow non-hugetlb large folios to be batch processed
Date: Tue, 27 Feb 2024 17:42:44 +0000
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.
Link: https://lkml.kernel.org/r/20240227174254.710559-11-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swap.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/mm/swap.c~mm-allow-non-hugetlb-large-folios-to-be-batch-processed
+++ a/mm/swap.c
@@ -1003,12 +1003,13 @@ void folios_put_refs(struct folio_batch
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;
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-separate-out-folio_flags-from-pageflags.patch
mm-remove-pagewaiters-pagesetwaiters-and-pageclearwaiters.patch
mm-remove-pageyoung-and-pageidle-definitions.patch
mm-add-__dump_folio.patch
mm-add-__dump_folio-fix.patch
mm-add-__dump_folio-fix-2.patch
mm-add-__dump_folio-fix-3.patch
mm-make-dump_page-take-a-const-argument.patch
mm-constify-testing-page-folio-flags.patch
mm-constify-more-page-folio-tests.patch
mm-remove-cast-from-page_to_nid.patch
mm-mempolicy-use-a-folio-in-do_mbind.patch
