X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=mm%2Fmigrate.c;h=99250aee1ac166fd8d5bb03849041b2a07fc3f80;hb=4b2bd5fec007a4fd3fc82474b9199af25013de4c;hp=f7ee04a5ae27a2934de9fab746667597bffafef3;hpb=72b5ac54d620b29cae23d25f0405f2765b466f72;p=cascardo%2Flinux.git

diff --git a/mm/migrate.c b/mm/migrate.c
index f7ee04a5ae27..99250aee1ac1 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -234,7 +234,7 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma,
 		goto unlock;
 
 	get_page(new);
-	pte = pte_mkold(mk_pte(new, vma->vm_page_prot));
+	pte = pte_mkold(mk_pte(new, READ_ONCE(vma->vm_page_prot)));
 	if (pte_swp_soft_dirty(*ptep))
 		pte = pte_mksoft_dirty(pte);