diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 3114d8a47e884ad528faceee4aabd2fb9a2d84ac..dee446278417c01653ff6fb8a981ba9835a6d7c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -41,6 +41,7 @@
 #include <linux/swap.h>
 #include <linux/swiotlb.h>
 #include <linux/dma-buf.h>
+#include <linux/sizes.h>
 
 #include <drm/ttm/ttm_bo_api.h>
 #include <drm/ttm/ttm_bo_driver.h>