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-rw-r--r--mm/migrate.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 5e285c1249a0..84381b55b2bd 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -275,6 +275,9 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
if (vma->vm_flags & VM_LOCKED && !PageTransCompound(new))
mlock_vma_page(new);
+ if (PageTransHuge(page) && PageMlocked(page))
+ clear_page_mlock(page);
+
/* No need to invalidate - it was non-present before */
update_mmu_cache(vma, pvmw.address, pvmw.pte);
}
@@ -1411,7 +1414,7 @@ retry:
* we encounter them after the rest of the list
* is processed.
*/
- if (PageTransHuge(page)) {
+ if (PageTransHuge(page) && !PageHuge(page)) {
lock_page(page);
rc = split_huge_page_to_list(page, from);
unlock_page(page);