---
id: pr-vllm-32993
repo: vllm-project/vllm
pr: 32993
title: '[Feature] Support CPU Offloading without Pytorch Pinned Memory that leads to doubled allocation'
author: wzhao18
date: '2026-02-13'
url: https://github.com/vllm-project/vllm/pull/32993
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 59d53066d8daed5c2e39e3bce38ac308bc80a9ae
inclusion_reason: kernel file changes
changed_paths:
- csrc/cuda_view.cu
- tests/basic_correctness/test_cpu_offload.py
- vllm/envs.py
- vllm/model_executor/model_loader/utils.py
- vllm/model_executor/models/utils.py
- vllm/utils/torch_utils.py
head_ref_oid: d9e96140c42c3aaeaf6d53acad785c457c708e79
artifact_dir: evidence/pull-bundles/vllm/gh-32993
---
# [Feature] Support CPU Offloading without Pytorch Pinned Memory that leads to doubled allocation

- Repository: `vllm-project/vllm`
- PR: [32993](https://github.com/vllm-project/vllm/pull/32993)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/cuda_view.cu`
- `tests/basic_correctness/test_cpu_offload.py`
- `vllm/envs.py`
- `vllm/model_executor/model_loader/utils.py`
- `vllm/model_executor/models/utils.py`
- `vllm/utils/torch_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-32993`
