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Piotr Wejman

PROFILE

Piotr Wejman

Worked on stabilizing memory management within the UEFI boot path for the tianocore/edk2 repository, focusing on resolving a regression related to the FreePages function. Addressed issues where non-existent memory regions were incorrectly freed, which previously led to memory leaks and system crashes. The solution involved refining memory attribute handling to ensure leaks only occur under specific conditions, such as EFI_NO_MAPPING or when pages are read-only or protected. Delivered comprehensive code changes, updated tests, and clear documentation to align with ACS test requirements. Utilized C for firmware development, emphasizing robust system programming and precise memory management practices throughout the process.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

1Total
Bugs
1
Commits
1
Features
0
Lines of code
4
Activity Months1

Work History

December 2025

1 Commits

Dec 1, 2025

Monthly summary for 2025-12: Focused on stabilizing memory management in the UEFI boot path for tianocore/edk2. Implemented a regression fix to FreePages and clarified memory attribute handling to prevent leaks and crashes, aligning with ACS expectations. The change restores correct behavior for non-existent memory regions while preventing leaks in read-only/protected memory scenarios. Delivered code changes, accompanying tests, and clear documentation for test cases affected by memory management semantics.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

firmware developmentmemory managementsystem programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

tianocore/edk2

Dec 2025 Dec 2025
1 Month active

Languages Used

C

Technical Skills

firmware developmentmemory managementsystem programming