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-rw-r--r--mm/migrate.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index f9dfb18a4eba..bd3fdc202e8b 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -332,7 +332,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
newpage->index = page->index;
newpage->mapping = page->mapping;
if (PageSwapBacked(page))
- SetPageSwapBacked(newpage);
+ __SetPageSwapBacked(newpage);
return MIGRATEPAGE_SUCCESS;
}
@@ -378,7 +378,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
newpage->index = page->index;
newpage->mapping = page->mapping;
if (PageSwapBacked(page))
- SetPageSwapBacked(newpage);
+ __SetPageSwapBacked(newpage);
get_page(newpage); /* add cache reference */
if (PageSwapCache(page)) {
@@ -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
@@ -1171,6 +1173,7 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
switch(rc) {
case -ENOMEM:
+ nr_failed++;
goto out;
case -EAGAIN:
retry++;
@@ -1791,7 +1794,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
/* Prepare a page as a migration target */
__SetPageLocked(new_page);
- SetPageSwapBacked(new_page);
+ __SetPageSwapBacked(new_page);
/* anon mapping, we can simply copy page->mapping to the new page: */
new_page->mapping = page->mapping;