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

Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.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