radix_tree_delete
radix_tree_delete(&ctx->handles_vma, handle);
vma = radix_tree_delete(&ctx->handles_vma, lut->handle);
radix_tree_delete(&obj->mm.get_page.radix, iter.index);
radix_tree_delete(&obj->mm.get_dma_page.radix, iter.index);
radix_tree_delete(&obj->ttm.get_io_page.radix, iter.index);
radix_tree_delete(&state->cachelines, hwsp_cacheline(tl));
radix_tree_delete(&spt->vgpu->gtt.spt_tree, spt->shadow_page.mfn);
track = radix_tree_delete(&vgpu->page_track_tree, gfn);
void *radix_tree_delete(struct radix_tree_root *, unsigned long);
radix_tree_delete(root, iter->index);
void radix_tree_delete(struct radtree* rt);