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: v4.4.16~106
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4b1cb3c89efdafbb6a2459c3193107c2a058bedc;p=users%2Fdwmw2%2Flinux.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 bbeb0b71fcf41..72c09dea65266 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -429,6 +429,7 @@ 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
@@ -579,6 +580,7 @@ void migrate_page_copy(struct page *newpage, struct page *page)
 	if (PageWriteback(newpage))
 		end_page_writeback(newpage);
 }
+EXPORT_SYMBOL(migrate_page_copy);
 
 /************************************************************
  *                    Migration functions