drm_buddy_block_trim
drm_buddy_block_trim(mm, &trim_start,
EXPORT_SYMBOL(drm_buddy_block_trim);
drm_buddy_block_trim(mm,
if (!drm_buddy_block_trim(mm, NULL, vres->base.size, &vres->blocks))
int drm_buddy_block_trim(struct drm_buddy *mm,