From: Richard Weinberger <richard@nod.at>
Date: Thu, 16 Jun 2016 21:26:14 +0000 (+0200)
Subject: mm: Export migrate_page_move_mapping and migrate_page_copy
X-Git-Tag: v4.6.5~137
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3eaf687c3f4d40eb70d2227d737f6009380c9e50;p=thirdparty%2Fkernel%2Fstable.git

mm: Export migrate_page_move_mapping and migrate_page_copy

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>
---

diff --git a/mm/migrate.c b/mm/migrate.c
index f9dfb18a4ebac..bdf3410bb4fa5 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -431,6 +431,7 @@ 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
@@ -586,6 +587,7 @@ void migrate_page_copy(struct page *newpage, struct page *page)
 
 	mem_cgroup_migrate(page, newpage);
 }
+EXPORT_SYMBOL(migrate_page_copy);
 
 /************************************************************
  *                    Migration functions