---
id: pr-vllm-33579
repo: vllm-project/vllm
pr: 33579
title: '[Bugfix] Fix sparse MLA metadata building'
author: MatthewBonanni
date: '2026-02-03'
url: https://github.com/vllm-project/vllm/pull/33579
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: bd8da29a66ea8c0e0f208cab7ba0b6be640f3faa
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/attention/mla_attention.py
head_ref_oid: 66adb9ca1e7a3439080fe54fee03c8e58e7e89d6
artifact_dir: evidence/pull-bundles/vllm/gh-33579
---
# [Bugfix] Fix sparse MLA metadata building

- Repository: `vllm-project/vllm`
- PR: [33579](https://github.com/vllm-project/vllm/pull/33579)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/attention/mla_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33579`
