linux-kernel - [PATCH v4 1/5] mm: pagevec: add folio_batch

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Message-Id: <9018cecacb39e34c883540f997f9be8281153613.1673526881.git.lstoakes@gmail.com>
Date:   Thu, 12 Jan 2023 12:39:28 +0000
From:   Lorenzo Stoakes <lstoakes@...il.com>
To:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Cc:     Matthew Wilcox <willy@...radead.org>,
        Hugh Dickins <hughd@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Liam Howlett <liam.howlett@...cle.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Christian Brauner <brauner@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Mike Rapoport <rppt@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Lorenzo Stoakes <lstoakes@...il.com>
Subject: [PATCH v4 1/5] mm: pagevec: add folio_batch_reinit()

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

Signed-off-by: Lorenzo Stoakes <lstoakes@...il.com>
Acked-by: Vlastimil Babka <vbabka@...e.cz>
---
 include/linux/pagevec.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 215eb6c3bdc9..2a6f61a0c10a 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -103,6 +103,11 @@ static inline void folio_batch_init(struct folio_batch *fbatch)
 	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;
-- 
2.39.0