From: Kai Song <songkai01@inspur.com>
To: <akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
Kai Song <songkai01@inspur.com>
Subject: [PATCH] mm/vmscan.c:Fix -Wunused-but-set-variable warning
Date: Sat, 25 Sep 2021 02:12:18 +0800 [thread overview]
Message-ID: <20210924181218.21165-1-songkai01@inspur.com> (raw)
We fix the following warning when building kernel with W=1:
mm/vmscan.c:1362:6: warning: variable 'err' set but not used [-Wunused-but-set-variable]
Signed-off-by: Kai Song <songkai01@inspur.com>
---
mm/vmscan.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f8b43f131673..7cf702bc1959 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1359,7 +1359,6 @@ static unsigned int demote_page_list(struct list_head *demote_pages,
{
int target_nid = next_demotion_node(pgdat->node_id);
unsigned int nr_succeeded;
- int err;
if (list_empty(demote_pages))
return 0;
@@ -1368,7 +1367,7 @@ static unsigned int demote_page_list(struct list_head *demote_pages,
return 0;
/* Demotion ignores all cpuset and mempolicy settings */
- err = migrate_pages(demote_pages, alloc_demote_page, NULL,
+ migrate_pages(demote_pages, alloc_demote_page, NULL,
target_nid, MIGRATE_ASYNC, MR_DEMOTION,
&nr_succeeded);
--
2.27.0
next reply other threads:[~2021-09-26 8:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-24 18:12 Kai Song [this message]
2021-09-27 16:51 ` [PATCH] mm/vmscan.c:Fix -Wunused-but-set-variable warning Yang Shi
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