diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 033d738c742..15a675892d2 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -218,7 +218,7 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob,
 	if (unlikely(!zone))
 		return -ENOMEM;
 
-
+	mem /= 4;
 	zone->name = "kernel";
 	zone->zone_mem = mem;
 	zone->max_mem = mem >> 1;