* [UPDATE PATCH 10/10] mm/migrate.c: call detach_page_private to cleanup code
[not found] <20200517214718.468-1-guoqing.jiang@cloud.ionos.com>
@ 2020-05-19 21:40 ` Guoqing Jiang
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From: Guoqing Jiang @ 2020-05-19 21:40 UTC (permalink / raw)
To: akpm; +Cc: linux-mm, linux-kernel, david, hch, willy, Guoqing Jiang
We can cleanup code a little by call detach_page_private here.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
---
Add the cast to fix type mismatch warning, sorry for the mistake.
mm/migrate.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index 7160c1556f79..44546d407e40 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -797,10 +797,7 @@ static int __buffer_migrate_page(struct address_space *mapping,
if (rc != MIGRATEPAGE_SUCCESS)
goto unlock_buffers;
- ClearPagePrivate(page);
- set_page_private(newpage, page_private(page));
- set_page_private(page, 0);
- put_page(page);
+ set_page_private(newpage, (unsigned long)detach_page_private(page));
get_page(newpage);
bh = head;
--
2.17.1
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