linux-kernel - [PATCH 3/8] mm/migrate.c: reform the last call on do_move_pages_to

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Message-Id: <20200119030636.11899-4-richardw.yang@linux.intel.com>
Date:   Sun, 19 Jan 2020 11:06:31 +0800
From:   Wei Yang <richardw.yang@...ux.intel.com>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org, mhocko@...e.com,
        yang.shi@...ux.alibaba.com,
        Wei Yang <richardw.yang@...ux.intel.com>
Subject: [PATCH 3/8] mm/migrate.c: reform the last call on do_move_pages_to_node()

No functional change, just reform it to make it as the same shape as
other calls on do_move_pages_to_node().

This is a preparation for further cleanup.

Signed-off-by: Wei Yang <richardw.yang@...ux.intel.com>
---
 mm/migrate.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index c3ef70de5876..4a63fb8fbb6d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1675,8 +1675,12 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes,
 
 	/* Make sure we do not overwrite the existing error */
 	err1 = do_move_pages_to_node(mm, &pagelist, current_node);
-	if (!err1)
-		err1 = store_status(status, start, current_node, i - start);
+	if (err1) {
+		if (err >= 0)
+			err = err1;
+		goto out;
+	}
+	err1 = store_status(status, start, current_node, i - start);
 	if (err >= 0)
 		err = err1;
 out:
-- 
2.17.1