The patch titled
Subject: mm: use folios_put() in __folio_batch_release()
has been added to the -mm mm-unstable branch. Its filename is
mm-use-folios_put-in-__folio_batch_release.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-use-folios_put-in-__folio_batch_release.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: use folios_put() in __folio_batch_release()
Date: Tue, 27 Feb 2024 17:42:38 +0000
There's no need to indirect through release_pages() and iterate over this
batch of folios an extra time; we can just use the batch that we have.
Link: https://lkml.kernel.org/r/20240227174254.710559-5-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 | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/swap.c~mm-use-folios_put-in-__folio_batch_release
+++ a/mm/swap.c
@@ -1083,8 +1083,7 @@ void __folio_batch_release(struct folio_
lru_add_drain();
fbatch->percpu_pvec_drained = true;
}
- release_pages(fbatch->folios, folio_batch_count(fbatch));
- folio_batch_reinit(fbatch);
+ folios_put(fbatch);
}
EXPORT_SYMBOL(__folio_batch_release);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-support-order-1-folios-in-the-page-cache.patch
mm-make-folios_put-the-basis-of-release_pages.patch
mm-convert-free_unref_page_list-to-use-folios.patch
mm-add-free_unref_folios.patch
mm-use-folios_put-in-__folio_batch_release.patch
memcg-add-mem_cgroup_uncharge_folios.patch
mm-remove-use-of-folio-list-from-folios_put.patch
mm-use-free_unref_folios-in-put_pages_list.patch
mm-use-__page_cache_release-in-folios_put.patch
mm-handle-large-folios-in-free_unref_folios.patch
mm-allow-non-hugetlb-large-folios-to-be-batch-processed.patch
mm-free-folios-in-a-batch-in-shrink_folio_list.patch
mm-free-folios-directly-in-move_folios_to_lru.patch
memcg-remove-mem_cgroup_uncharge_list.patch
mm-remove-free_unref_page_list.patch
mm-remove-lru_to_page.patch
mm-convert-free_pages_and_swap_cache-to-use-folios_put.patch
mm-use-a-folio-in-__collapse_huge_page_copy_succeeded.patch
mm-convert-free_swap_cache-to-take-a-folio.patch
