mm: numa: slow PTE scan rate if migration failures occur

[firefly-linux-kernel-4.4.55.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index d20e12da3a3cb29bf7fc6bffa2de9fbe89f22e4f..97839f5c8c303df324a1cec1dfacadb1b0bfa04c 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3103,7 +3103,8 @@ static int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
        if (migrated) {
                page_nid = target_nid;
                flags |= TNF_MIGRATED;
-       }
+       } else
+               flags |= TNF_MIGRATE_FAIL;
 
 out:
        if (page_nid != -1)