linux-kernel - [PATCH 3.12 64/88] mm: Export migrate_page_move_mapping and migrate_page

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Date:	Thu, 14 Jul 2016 10:15:56 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 64/88] mm: Export migrate_page_move_mapping and migrate_page_copy

From: Richard Weinberger <richard@....at>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 1118dce773d84f39ebd51a9fe7261f9169cb056e upstream.

Export these symbols such that UBIFS can implement
->migratepage.

Signed-off-by: Richard Weinberger <richard@....at>
Acked-by: Christoph Hellwig <hch@....de>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 mm/migrate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/migrate.c b/mm/migrate.c
index 0c14c0e1bdd6..71a2533ca8f5 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -399,6 +399,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
 
 	return MIGRATEPAGE_SUCCESS;
 }
+EXPORT_SYMBOL(migrate_page_move_mapping);
 
 /*
  * The expected number of remaining references is the same as that
@@ -549,6 +550,7 @@ void migrate_page_copy(struct page *newpage, struct page *page)
 	if (PageWriteback(newpage))
 		end_page_writeback(newpage);
 }
+EXPORT_SYMBOL(migrate_page_copy);
 
 /************************************************************
  *                    Migration functions
-- 
2.9.1