1 files changed, 6 insertions, 1 deletions

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 03a89a2f464b..362c329b83fe 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2325,7 +2325,12 @@ static void collapse_huge_page(struct mm_struct *mm,
                 pte_unmap(pte);
                 spin_lock(&mm->page_table_lock);
                 BUG_ON(!pmd_none(*pmd));
-                set_pmd_at(mm, address, pmd, _pmd);
+                /*
+                 * We can only use set_pmd_at when establishing
+                 * hugepmds and never for establishing regular pmds that
+                 * points to regular pagetables. Use pmd_populate for that
+                 */
+                pmd_populate(mm, pmd, pmd_pgtable(_pmd));
                 spin_unlock(&mm->page_table_lock);
                 anon_vma_unlock_write(vma->anon_vma);
                 goto out;