From: Arvind Yadav Date: Sun, 2 Jul 2017 13:11:02 +0530 Subject: drm: ttm: virtio-gpu: dma-buf: Constify ttm_place structures. Git-commit: 05ccf211efbb6c8b5da2b5fda4f9399a7bc0db2e Patch-mainline: v4.14-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 ttm_place are not supposed to change at runtime. All functions working with ttm_place provided by 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 Link: http://patchwork.freedesktop.org/patch/msgid/25a189402a516a0142d9a4412da0a597c660a96a.1498981093.git.arvind.yadav.cs@gmail.com Signed-off-by: Gerd Hoffmann Acked-by: Petr Tesarik --- drivers/gpu/drm/virtio/virtgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -234,7 +234,7 @@ static int virtio_gpu_init_mem_type(stru static void virtio_gpu_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - static struct ttm_place placements = { + static const struct ttm_place placements = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM,