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-rw-r--r--mm/migrate.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 626ca3c5d07b..13bedcc4656b 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1013,7 +1013,7 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
{
int rc = 0;
int *result = NULL;
- struct page *new_hpage = get_new_page(hpage, private, &result);
+ struct page *new_hpage;
struct anon_vma *anon_vma = NULL;
/*
@@ -1023,9 +1023,12 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
* tables or check whether the hugepage is pmd-based or not before
* kicking migration.
*/
- if (!hugepage_migration_support(page_hstate(hpage)))
+ if (!hugepage_migration_support(page_hstate(hpage))) {
+ putback_active_hugepage(hpage);
return -ENOSYS;
+ }
+ new_hpage = get_new_page(hpage, private, &result);
if (!new_hpage)
return -ENOMEM;