diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 81150b0..fd1c00d 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -50,8 +50,7 @@
 	struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);
 
 	tlb->mm = mm;
-	tlb->fullmm = full_mm_flush || (num_online_cpus() == 1) ||
-		(atomic_read(&mm->mm_users) <= 1 && mm == current->active_mm);
+	tlb->fullmm = full_mm_flush;
 	tlb->nr_ptes = 0;
 	tlb->nr_pxds = TLB_NR_PTRS;
 	if (tlb->fullmm)