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From:   js1304@gmail.com
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Johannes Weiner <hannes@cmpxchg.org>,
        Rik van Riel <riel@surriel.com>,
        Minchan Kim <minchan.kim@gmail.com>,
        Michal Hocko <mhocko@suse.com>, kernel-team@lge.com,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: [PATCH for v5.8 2/3] mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages"
Date:   Tue, 16 Jun 2020 15:16:43 +0900
Message-Id: <1592288204-27734-3-git-send-email-iamjoonsoo.kim@lge.com>
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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Non-file-lru page could also be activated in mark_page_accessed()
and we need to count this activation for nonresident_age.

Note that it's better for this patch to be squashed into the patch
"mm: workingset: age nonresident information alongside anonymous pages".

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
 mm/swap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/swap.c b/mm/swap.c
index 667133d..c5d5114 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -443,8 +443,7 @@ void mark_page_accessed(struct page *page)
 		else
 			__lru_cache_activate_page(page);
 		ClearPageReferenced(page);
-		if (page_is_file_lru(page))
-			workingset_activation(page);
+		workingset_activation(page);
 	}
 	if (page_is_idle(page))
 		clear_page_idle(page);
-- 
2.7.4