#define nv40_instmem(p) container_of((p), struct nv40_instmem, base)
 #include "priv.h"
 
-#include <core/memory.h>
 #include <core/ramht.h>
 #include <engine/gr/nv40.h>
 
 /******************************************************************************
  * instmem object implementation
  *****************************************************************************/
-#define nv40_instobj(p) container_of((p), struct nv40_instobj, memory)
+#define nv40_instobj(p) container_of((p), struct nv40_instobj, base.memory)
 
 struct nv40_instobj {
-       struct nvkm_memory memory;
+       struct nvkm_instobj base;
        struct nv40_instmem *imem;
        struct nvkm_mm_node *node;
 };
        mutex_lock(&iobj->imem->base.subdev.mutex);
        nvkm_mm_free(&iobj->imem->heap, &iobj->node);
        mutex_unlock(&iobj->imem->base.subdev.mutex);
+       nvkm_instobj_dtor(&iobj->imem->base, &iobj->base);
        return iobj;
 }
 
 
        if (!(iobj = kzalloc(sizeof(*iobj), GFP_KERNEL)))
                return -ENOMEM;
-       *pmemory = &iobj->memory;
+       *pmemory = &iobj->base.memory;
 
-       nvkm_memory_ctor(&nv40_instobj_func, &iobj->memory);
-       iobj->memory.ptrs = &nv40_instobj_ptrs;
+       nvkm_instobj_ctor(&nv40_instobj_func, &imem->base, &iobj->base);
+       iobj->base.memory.ptrs = &nv40_instobj_ptrs;
        iobj->imem = imem;
 
        mutex_lock(&imem->base.subdev.mutex);
        .rd32 = nv40_instmem_rd32,
        .wr32 = nv40_instmem_wr32,
        .memory_new = nv40_instobj_new,
-       .persistent = false,
+       .persistent = true,
        .zero = false,
 };