+ mm-migratec-call-detach_page_private-to-cleanup-code.patch added to -mm tree

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The patch titled
     Subject: mm/migrate.c: call detach_page_private to cleanup code
has been added to the -mm tree.  Its filename is
     mm-migratec-call-detach_page_private-to-cleanup-code.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-migratec-call-detach_page_private-to-cleanup-code.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-migratec-call-detach_page_private-to-cleanup-code.patch

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------------------------------------------------------
From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Subject: mm/migrate.c: call detach_page_private to cleanup code

We can cleanup code a little by call detach_page_private here.

Link: http://lkml.kernel.org/r/20200517214718.468-11-guoqing.jiang@xxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/migrate.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/mm/migrate.c~mm-migratec-call-detach_page_private-to-cleanup-code
+++ a/mm/migrate.c
@@ -797,10 +797,7 @@ recheck_buffers:
 	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, detach_page_private(page));
 	get_page(newpage);
 
 	bh = head;
_

Patches currently in -mm which might be from guoqing.jiang@xxxxxxxxxxxxxxx are

include-linux-pagemaph-introduce-attach-detach_page_private.patch
md-remove-__clear_page_buffers-and-use-attach-detach_page_private.patch
btrfs-use-attach-detach_page_private.patch
fs-bufferc-use-attach-detach_page_private.patch
f2fs-use-attach-detach_page_private.patch
iomap-use-attach-detach_page_private.patch
ntfs-replace-attach_page_buffers-with-attach_page_private.patch
orangefs-use-attach-detach_page_private.patch
buffer_headh-remove-attach_page_buffers.patch
mm-migratec-call-detach_page_private-to-cleanup-code.patch




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