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-rw-r--r--mm/migrate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 01439953abf5..cd4fd10c4ec3 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -229,7 +229,7 @@ static void remove_migration_ptes(struct page *old, struct page *new)
* get to the page and wait until migration is finished.
* When we return from this function the fault will be retried.
*/
-static void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
+void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
spinlock_t *ptl)
{
pte_t pte;
@@ -1260,7 +1260,8 @@ static int do_move_page_to_node_array(struct mm_struct *mm,
goto put_and_set;
if (PageHuge(page)) {
- isolate_huge_page(page, &pagelist);
+ if (PageHead(page))
+ isolate_huge_page(page, &pagelist);
goto put_and_set;
}