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ttm_place are not supposed to change at runtime. All functions working with ttm_place provided by <drm/ttm/ttm_placement.h> work with const ttm_place. So mark the non-const structs as const. File size before: text data bss dec hex filename 2315 184 0 2499 9c3 drivers/gpu/drm/virtio/virtgpu_ttm.o File size After adding 'const': text data bss dec hex filename 2347 152 0 2499 9c3 drivers/gpu/drm/virtio/virtgpu_ttm.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/25a189402a516a0142d9a4412da0a597c660a96a.1498981093.git.arvind.yadav.cs@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>