+ mm-pagevec-add-folio_batch_reinit.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm: pagevec: add folio_batch_reinit()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-pagevec-add-folio_batch_reinit.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-pagevec-add-folio_batch_reinit.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: Lorenzo Stoakes <lstoakes@gmail.com>
Subject: mm: pagevec: add folio_batch_reinit()
Date: Thu, 12 Jan 2023 12:39:28 +0000

Patch series "update mlock to use folios", v4.

This series updates mlock to use folios, converting the internal interface
to using folios exclusively and exposing the folio interface externally.

As a product of this we move to using a folio batch rather than a pagevec
for mlock folios, which brings it in line with the core folio batches
contained in mm/swap.c.


This patch (of 5):

This performs the same task as pagevec_reinit(), only modifying a folio
batch rather than a pagevec.

Link: https://lkml.kernel.org/r/cover.1673526881.git.lstoakes@gmail.com
Link: https://lkml.kernel.org/r/9018cecacb39e34c883540f997f9be8281153613.1673526881.git.lstoakes@gmail.com
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pagevec.h |    5 +++++
 1 file changed, 5 insertions(+)

--- a/include/linux/pagevec.h~mm-pagevec-add-folio_batch_reinit
+++ a/include/linux/pagevec.h
@@ -103,6 +103,11 @@ static inline void folio_batch_init(stru
 	fbatch->percpu_pvec_drained = false;
 }
 
+static inline void folio_batch_reinit(struct folio_batch *fbatch)
+{
+	fbatch->nr = 0;
+}
+
 static inline unsigned int folio_batch_count(struct folio_batch *fbatch)
 {
 	return fbatch->nr;
_

Patches currently in -mm which might be from lstoakes@gmail.com are

mm-vmalloc-correct-use-of-__gfp_nowarn-mask-in-__vmalloc_area_node.patch
selftest-vm-add-mremap-expand-merge-offset-test.patch
mm-pagevec-add-folio_batch_reinit.patch
mm-mlock-use-folios-and-a-folio-batch-internally.patch
m68k-mm-motorola-specify-pmd_page-type.patch
mm-mlock-update-the-interface-to-use-folios.patch
documentation-mm-update-references-to-__mlock_page-to-_folio.patch