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-rw-r--r--mm/migrate.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index f9e16350d09c..626ca3c5d07b 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1125,7 +1125,12 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
nr_succeeded++;
break;
default:
- /* Permanent failure */
+ /*
+ * Permanent failure (-EBUSY, -ENOSYS, etc.):
+ * unlike -EAGAIN case, the failed page is
+ * removed from migration page list and not
+ * retried in the next outer loop.
+ */
nr_failed++;
break;
}