---
id: pr-vllm-23798
repo: vllm-project/vllm
pr: 23798
title: '[Misc] add reorder_batch AttentionMetadataBuilder'
author: andyxning
date: '2025-08-30'
url: https://github.com/vllm-project/vllm/pull/23798
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fb4983e112a81f4df25b92ab98c9c84a5babfec9
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/utils.py
head_ref_oid: 935115554195271a960295e2fbc6f7a9027aa9a4
artifact_dir: evidence/pull-bundles/vllm/gh-23798
---
# [Misc] add reorder_batch AttentionMetadataBuilder

- Repository: `vllm-project/vllm`
- PR: [23798](https://github.com/vllm-project/vllm/pull/23798)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23798`
