linux-kernel - [PATCH v2 03/11] mm/migration: remove unneeded local variable page

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Date:   Fri, 18 Mar 2022 19:17:01 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <ziy@...dia.com>, <baolin.wang@...ux.alibaba.com>,
        <ying.huang@...el.com>, <songmuchun@...edance.com>,
        <apopple@...dia.com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH v2 03/11] mm/migration: remove unneeded local variable page_lru

We can use page_is_file_lru() directly to help account the isolated
pages to simplify the code a bit.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/migrate.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index bc1867a5706c..0ea555e4eaae 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2033,7 +2033,6 @@ static struct page *alloc_misplaced_dst_page_thp(struct page *page,
 
 static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
 {
-	int page_lru;
 	int nr_pages = thp_nr_pages(page);
 	int order = compound_order(page);
 
@@ -2060,8 +2059,7 @@ static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
 	if (isolate_lru_page(page))
 		return 0;
 
-	page_lru = page_is_file_lru(page);
-	mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + page_lru,
+	mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + page_is_file_lru(page),
 			    nr_pages);
 
 	/*
-- 
2.23.0