diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index 1761d8825..429741549 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -3082,7 +3082,7 @@ static int gk20a_init_system_vm(struct mm_gk20a *mm)
 	gk20a_dbg_info("pmu vm size = 0x%x", mm->pmu.aperture_size);
 
 	gk20a_init_vm(mm, vm, big_page_size,
-		      SZ_4K, GK20A_PMU_VA_SIZE, false, "system");
+		      SZ_4K * 16, GK20A_PMU_VA_SIZE, false, "system");
 
 	err = gk20a_alloc_inst_block(g, inst_block);
 	if (err)