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From:   "zhaoyang.huang" <zhaoyang.huang@unisoc.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Johannes Weiner <hannes@cmpxchg.org>, <linux-mm@kvack.org>,
        <linux-kernel@vger.kernel.org>,
        Zhaoyang Huang <huangzhaoyang@gmail.com>, <ke.wang@unisoc.com>
Subject: [PATCH] mm: mark folio as workingset in lru_deactivate_fn
Date:   Wed, 29 Mar 2023 18:47:35 +0800
Message-ID: <1680086855-7989-1-git-send-email-zhaoyang.huang@unisoc.com>
MIME-Version: 1.0
Content-Type: text/plain
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From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>

folio will skip of being set as workingset in lru_deactivate_fn.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
---
 mm/swap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/swap.c b/mm/swap.c
index 70e2063..4d1c14f 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -603,6 +603,7 @@ static void lru_deactivate_file_fn(struct lruvec *lruvec, struct folio *folio)
 	lruvec_del_folio(lruvec, folio);
 	folio_clear_active(folio);
 	folio_clear_referenced(folio);
+	folio_set_workingset(folio);
 
 	if (folio_test_writeback(folio) || folio_test_dirty(folio)) {
 		/*
@@ -637,6 +638,7 @@ static void lru_deactivate_fn(struct lruvec *lruvec, struct folio *folio)
 		lruvec_del_folio(lruvec, folio);
 		folio_clear_active(folio);
 		folio_clear_referenced(folio);
+		folio_set_workingset(folio);
 		lruvec_add_folio(lruvec, folio);
 
 		__count_vm_events(PGDEACTIVATE, nr_pages);
-- 
1.9.1