From: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/fork.c |    2 ++
 1 files changed, 2 insertions(+)

diff -puN kernel/fork.c~revert-utrace-prep-2 kernel/fork.c
--- a/kernel/fork.c~revert-utrace-prep-2
+++ a/kernel/fork.c
@@ -1392,7 +1392,9 @@ long do_fork(unsigned long clone_flags,
 		tracehook_report_clone_complete(clone_flags, nr, p);
 
 		if (clone_flags & CLONE_VFORK) {
+			freezer_do_not_count();
 			wait_for_completion(&vfork);
+			freezer_count();
 			tracehook_report_vfork_done(p, nr);
 		}
 	} else {
_