+ mm-add-__folio_batch_release.patch added to mm-unstable branch

+ mm-add-__folio_batch_release.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: add __folio_batch_release()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-add-__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-add-__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@infradead.org>
Subject: mm: add __folio_batch_release()
Date: Wed, 21 Jun 2023 17:45:46 +0100

This performs the same role as __pagevec_release(), ie skipping the check
for batch length of 0.

Link: https://lkml.kernel.org/r/20230621164557.3510324-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pagevec.h |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

--- a/include/linux/pagevec.h~mm-add-__folio_batch_release
+++ a/include/linux/pagevec.h
@@ -127,9 +127,15 @@ static inline unsigned folio_batch_add(s
 	return fbatch_space(fbatch);
 }
 
+static inline void __folio_batch_release(struct folio_batch *fbatch)
+{
+	__pagevec_release((struct pagevec *)fbatch);
+}
+
 static inline void folio_batch_release(struct folio_batch *fbatch)
 {
-	pagevec_release((struct pagevec *)fbatch);
+	if (folio_batch_count(fbatch))
+		__folio_batch_release(fbatch);
 }
 
 void folio_batch_remove_exceptionals(struct folio_batch *fbatch);
_

Patches currently in -mm which might be from willy@infradead.org are

afs-convert-pagevec-to-folio_batch-in-afs_extend_writeback.patch
mm-add-__folio_batch_release.patch
scatterlist-add-sg_set_folio.patch
i915-convert-shmem_sg_free_table-to-use-a-folio_batch.patch
drm-convert-drm_gem_put_pages-to-use-a-folio_batch.patch
mm-remove-check_move_unevictable_pages.patch
pagevec-rename-fbatch_count.patch
i915-convert-i915_gpu_error-to-use-a-folio_batch.patch
net-convert-sunrpc-from-pagevec-to-folio_batch.patch
mm-remove-struct-pagevec.patch
mm-rename-invalidate_mapping_pagevec-to-mapping_try_invalidate.patch
mm-remove-references-to-pagevec.patch
mm-remove-unnecessary-pagevec-includes.patch