nvif_mem_ctor_map
ret = nvif_mem_ctor_map(mmu, "kmsCrcNtfy", NVIF_MEM_VRAM, len, &ctx->mem);
ret = nvif_mem_ctor_map(&drm->mmu, "kmsChanPush", type, 0x1000, &dmac->push.mem);
int ret = nvif_mem_ctor_map(mmu, "kmsLut", NVIF_MEM_VRAM,
int nvif_mem_ctor_map(struct nvif_mmu *, const char *name, u8 type, u64 size,