mm,ksm: FOLL_MIGRATION do migration_entry_wait

[deliverable/linux.git] / mm / ksm.c

diff --git a/mm/ksm.c b/mm/ksm.c
index 0320327b8a6c94a8463bfb8a601277d5ac10b422..d61cba6fa1dc4380677dd03f6e092b12e208c881 100644 (file)
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -364,7 +364,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
 
        do {
                cond_resched();
-               page = follow_page(vma, addr, FOLL_GET);
+               page = follow_page(vma, addr, FOLL_GET | FOLL_MIGRATION);
                if (IS_ERR_OR_NULL(page))
                        break;
                if (PageKsm(page))