Am 02.07.2017 um 11:06 schrieb Arvind Yadav: > 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 > 9235 344 136 9715 25f3 drivers/gpu/drm/radeon/radeon_ttm.o > > File size After adding 'const': > text data bss dec hex filename > 9267 312 136 9715 25f3 drivers/gpu/drm/radeon/radeon_ttm.o > > Signed-off-by: Arvind Yadav <arvind.yadav.cs at gmail.com> Reviewed-by: Christian König <christian.koenig at amd.com> > --- > drivers/gpu/drm/radeon/radeon_ttm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c > index 8b7623b..6499832 100644 > --- a/drivers/gpu/drm/radeon/radeon_ttm.c > +++ b/drivers/gpu/drm/radeon/radeon_ttm.c > @@ -178,7 +178,7 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, > static void radeon_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