---
id: pr-vllm-28269
repo: vllm-project/vllm
pr: 28269
title: '[Feature] Allow configuring FlashInfer workspace size'
author: maxyanghu
date: '2025-11-11'
url: https://github.com/vllm-project/vllm/pull/28269
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 412e153df557bbae541363ac4abde879a6d84488
inclusion_reason: defer
changed_paths:
- vllm/envs.py
- vllm/v1/attention/backends/flashinfer.py
- vllm/v1/attention/backends/mla/common.py
artifact_dir: evidence/pull-bundles/vllm/gh-28269
head_ref_oid: 669071ef8f36e27fb42e5ae688e37c7e220e3190
---
# [Feature] Allow configuring FlashInfer workspace size

- Repository: `vllm-project/vllm`
- PR: [28269](https://github.com/vllm-project/vllm/pull/28269)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/envs.py`
- `vllm/v1/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28269`
