---
id: pr-vllm-31282
repo: vllm-project/vllm
pr: 31282
title: '[Bugfix][Hardware][AMD] Fix last_page_len calculation in AITER MLA decode'
author: c0de128
date: '2026-01-02'
url: https://github.com/vllm-project/vllm/pull/31282
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 825c2dc133d490c468a35c573500107f44b32ac8
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/mla/rocm_aiter_mla.py
head_ref_oid: c52c29f9243c124f96275a25a3e217880a2f4461
artifact_dir: evidence/pull-bundles/vllm/gh-31282
---
# [Bugfix][Hardware][AMD] Fix last_page_len calculation in AITER MLA decode

- Repository: `vllm-project/vllm`
- PR: [31282](https://github.com/vllm-project/vllm/pull/31282)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/mla/rocm_aiter_mla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-31282`
