[PATCH 4.4 041/146] mm: Export migrate_page_move_mapping and migrate_page_copy

Greg Kroah-Hartman
2016-07-25T21:01:14Z

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
mm/migrate.c | 2 ++
1 file changed, 2 insertions(+)

--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -429,6 +429,7 @@ 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
@@ -579,6 +580,7 @@ void migrate_page_copy(struct page *newp
if (PageWriteback(newpage))
end_page_writeback(newpage);
}
+EXPORT_SYMBOL(migrate_page_copy);

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