Merge branch 'stacking-fixes' (vfs stacking fixes from Jann)

Merge filesystem stacking fixes from Jann Horn.

* emailed patches from Jann Horn <jannh@google.com>:
  sched: panic on corrupted stack end
  ecryptfs: forbid opening files without mmap handler
  proc: prevent stacking filesystems on top
static int __init migration_init(void)
{
	sched_rq_cpu_starting(smp_processor_id());
	return 0;
}

static int __init migration_init(void)
{
	sched_rq_cpu_starting(smp_processor_id());
	return 0;
}
