mm: Export migrate_page_move_mapping and migrate_page_copy

richardweinberger · richardweinberger · commit 1118dce773d8 · 2016-06-23T00:29:45.000+02:00
Export these symbols such that UBIFS can implement
-&gt;migratepage.

Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger &lt;richard@nod.at&gt;
Acked-by: Christoph Hellwig &lt;hch@lst.de&gt;
diff --git 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

Original file line number	Diff line number	Diff line change
`@@ -431,6 +431,7 @@ int migrate_page_move_mapping(struct address_space *mapping,`
`431`	`431`
`432`	`432`	`return MIGRATEPAGE_SUCCESS;`
`433`	`433`	`}`
	`434`	`+EXPORT_SYMBOL(migrate_page_move_mapping);`
`434`	`435`
`435`	`436`	`/*`
`436`	`437`	`* 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)`
`586`	`587`
`587`	`588`	`mem_cgroup_migrate(page, newpage);`
`588`	`589`	`}`
	`590`	`+EXPORT_SYMBOL(migrate_page_copy);`
`589`	`591`
`590`	`592`	`/************************************************************`
`591`	`593`	`* Migration functions`