[PATCH 3.16 209/305] mm: Export migrate_page_move_mapping and migrate_page_copy

Ben Hutchings
2016-08-14T11:27:13Z

From: Richard Weinberger <richard@nod.at>

commit 1118dce773d84f39ebd51a9fe7261f9169cb056e upstream.

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

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
mm/migrate.c | 2 ++
1 file changed, 2 insertions(+)

--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -443,6 +443,7 @@ int migrate_page_move_mapping(struct add

return MIGRATEPAGE_SUCCESS;
}
+EXPORT_SYMBOL(migrate_page_move_mapping);

/*
* The expected number of remaining references is the same as that
@@ -591,6 +592,7 @@ void migrate_page_copy(struct page *newp
if (PageWriteback(newpage))
end_page_writeback(newpage);
}
+EXPORT_SYMBOL(migrate_page_copy);

/************************************************************
* Migration functions