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mm: Export migrate_page_move_mapping and migrate_page_copy

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

Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Richard Weinberger 2016-06-16 23:26:14 +02:00
parent 972228d874
commit 1118dce773
1 changed files with 2 additions and 0 deletions
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2
mm/migrate.c
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@ -431,6 +431,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
return MIGRATEPAGE_SUCCESS; return MIGRATEPAGE_SUCCESS;
} }
EXPORT_SYMBOL(migrate_page_move_mapping);
/* /*
* The expected number of remaining references is the same as that * 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); mem_cgroup_migrate(page, newpage);
} }
EXPORT_SYMBOL(migrate_page_copy);
/************************************************************ /************************************************************
* Migration functions * Migration functions