linux-kernel - [PATCH 1/2] mm: swap: use folio_batch_reinit() in folio_batch_move

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Message-Id: <20230331095858.51810-1-zhengqi.arch@bytedance.com>
Date:   Fri, 31 Mar 2023 17:58:57 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     akpm@...ux-foundation.org, willy@...radead.org, lstoakes@...il.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Qi Zheng <zhengqi.arch@...edance.com>
Subject: [PATCH 1/2] mm: swap: use folio_batch_reinit() in folio_batch_move_lru()

In folio_batch_move_lru(), the folio_batch is not freshly
initialised, so it should call folio_batch_reinit() as
pagevec_lru_move_fn() did before.

Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
---
 mm/swap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swap.c b/mm/swap.c
index 57cb01b042f6..423199ee8478 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -222,7 +222,7 @@ static void folio_batch_move_lru(struct folio_batch *fbatch, move_fn_t move_fn)
 	if (lruvec)
 		unlock_page_lruvec_irqrestore(lruvec, flags);
 	folios_put(fbatch->folios, folio_batch_count(fbatch));
-	folio_batch_init(fbatch);
+	folio_batch_reinit(fbatch);
 }
 
 static void folio_batch_add_and_move(struct folio_batch *fbatch,
-- 
2.20.1