314     ) -> VmMemoryResponse {  in execute()  argument
319                     Ok((pfn, slot)) => VmMemoryResponse::RegisterMemory { pfn, slot },  in execute()
320                     Err(e) => VmMemoryResponse::Err(e),  in execute()
325                     Ok((pfn, slot)) => VmMemoryResponse::RegisterMemory { pfn, slot },  in execute()
326                     Err(e) => VmMemoryResponse::Err(e),  in execute()
330                 Ok(_) => VmMemoryResponse::Ok,  in execute()
331                 Err(e) => VmMemoryResponse::Err(e),  in execute()
337                     .ok_or_else(|| VmMemoryResponse::Err(SysError::new(EINVAL)))  in execute()
341                     Ok((pfn, slot)) => VmMemoryResponse::RegisterMemory { pfn, slot },  in execute()
342                     Err(e) => VmMemoryResponse::Err(e),  in execute()
368                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
373                     Ok((pfn, slot)) => VmMemoryResponse::RegisterMemory { pfn, slot },  in execute()
374                     Err(e) => VmMemoryResponse::Err(e),  in execute()
399                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
407                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
426                     Ok((pfn, slot)) => VmMemoryResponse::AllocateAndRegisterGpuMemory {  in execute()
438                     Err(e) => VmMemoryResponse::Err(e),  in execute()
453                     Err(_e) => return VmMemoryResponse::Err(SysError::new(EINVAL)),  in execute()
456                     Ok(_) => VmMemoryResponse::Ok,  in execute()
457                     Err(e) => VmMemoryResponse::Err(e),  in execute()
465 pub enum VmMemoryResponse {  enum