| From | Willy Tarreau <> | Subject | [PATCH 3.10 117/180] mm: Export migrate_page_move_mapping and migrate_page_copy | Date | Sun, 21 Aug 2016 17:30:47 +0200 |
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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> [wt: also add the prototype to include/linux/migrate.h]
Signed-off-by: Willy Tarreau <w@1wt.eu> --- include/linux/migrate.h | 3 +++ mm/migrate.c | 2 ++ 2 files changed, 5 insertions(+)
diff --git a/include/linux/migrate.h b/include/linux/migrate.h index a405d3dc..e986927 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -55,6 +55,9 @@ extern int migrate_vmas(struct mm_struct *mm, extern void migrate_page_copy(struct page *newpage, struct page *page); extern int migrate_huge_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page); +extern int migrate_page_move_mapping(struct address_space *mapping, + struct page *newpage, struct page *page, + struct buffer_head *head, enum migrate_mode mode); #else static inline void putback_lru_pages(struct list_head *l) {} diff --git a/mm/migrate.c b/mm/migrate.c index a61500f..2ee28c2 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -412,6 +412,7 @@ static 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 @@ -503,6 +504,7 @@ void migrate_page_copy(struct page *newpage, struct page *page) if (PageWriteback(newpage)) end_page_writeback(newpage); } +EXPORT_SYMBOL(migrate_page_copy); /************************************************************ * Migration functions -- 2.8.0.rc2.1.gbe9624a
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