Syzbot CI

Subject	selftests/mm: improve khugepaged coverage
Author	kirill@shutemov.name
Date	2026-09-08 12:50:47 +0000 UTC
Version
Cc	agordeev@linux.ibm.com akpm@linux-foundation.org baohua@kernel.org baolin.wang@linux.alibaba.com david@kernel.org dev.jain@arm.com hughd@google.com jgg@ziepe.ca kas@kernel.org kernel-team@meta.com kirill@shutemov.name lance.yang@linux.dev leon@kernel.org liam@infradead.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-mm@kvack.org ljs@kernel.org mhocko@suse.com nico.pache@linux.dev rppt@kernel.org ryan.roberts@arm.com shuah@kernel.org surenb@google.com usama.anjum@arm.com usama.arif@linux.dev vbabka@kernel.org ziy@nvidia.com

Subject

selftests/mm: improve khugepaged coverage

Author

kirill@shutemov.name

Date

2026-09-08 12:50:47 +0000 UTC

Version

agordeev@linux.ibm.com akpm@linux-foundation.org baohua@kernel.org baolin.wang@linux.alibaba.com david@kernel.org dev.jain@arm.com hughd@google.com jgg@ziepe.ca kas@kernel.org kernel-team@meta.com kirill@shutemov.name lance.yang@linux.dev leon@kernel.org liam@infradead.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-mm@kvack.org ljs@kernel.org mhocko@suse.com nico.pache@linux.dev rppt@kernel.org ryan.roberts@arm.com shuah@kernel.org surenb@google.com usama.anjum@arm.com usama.arif@linux.dev vbabka@kernel.org ziy@nvidia.com

Name	Content [All]
[PATCH v5 01/19] selftests/mm: raise the khugepaged test-case cap	[Body]
[PATCH v5 02/19] selftests/mm: skip collapse_compound_extreme() where the PMD is too large	[Body]
[PATCH v5 03/19] selftests/mm: scale khugepaged's collapse wait with the PMD size	[Body]
[PATCH v5 04/19] selftests/mm: skip khugepaged page cache cases without a PMD folio	[Body]
[PATCH v5 05/19] selftests/mm: make the swap cases' swapout reliable	[Body]
[PATCH v5 06/19] selftests/mm: stop khugepaged during the MADV_COLLAPSE cases	[Body]
[PATCH v5 07/19] selftests/mm: move is_backed_by_folio() into vm_util	[Body]
[PATCH v5 08/19] selftests/mm: add folio-order check for address ranges	[Body]
[PATCH v5 09/19] selftests/mm: add folio-order detection self-check	[Body]
[PATCH v5 10/19] selftests/mm: add khugepaged completion barrier helper	[Body]
[PATCH v5 11/19] selftests/mm: add order-parameterized khugepaged collapse cases	[Body]
[PATCH v5 12/19] selftests/mm: parameterize the mixed-source collapse case by source order	[Body]
[PATCH v5 13/19] selftests/mm: cover a shared-source collapse write race	[Body]
[PATCH v5 14/19] selftests/mm: run every supported collapse order by default	[Body]
[PATCH v5 15/19] selftests/mm: check that one khugepaged pass collapses one window	[Body]
[PATCH v5 16/19] selftests/mm: add khugepaged race harness	[Body]
[PATCH v5 17/19] selftests/mm: race the collapse of windows with holes	[Body]
[PATCH v5 18/19] selftests/mm: add memory-pressure threads to the khugepaged race harness	[Body]
[PATCH v5 19/19] selftests/mm: zap whole PTE tables in the khugepaged race harness	[Body]

Name

Content [All]

[PATCH v5 01/19] selftests/mm: raise the khugepaged test-case cap

[PATCH v5 02/19] selftests/mm: skip collapse_compound_extreme() where the PMD is too large

[PATCH v5 03/19] selftests/mm: scale khugepaged's collapse wait with the PMD size

[PATCH v5 04/19] selftests/mm: skip khugepaged page cache cases without a PMD folio

[PATCH v5 05/19] selftests/mm: make the swap cases' swapout reliable

[PATCH v5 06/19] selftests/mm: stop khugepaged during the MADV_COLLAPSE cases

[PATCH v5 07/19] selftests/mm: move is_backed_by_folio() into vm_util

[PATCH v5 08/19] selftests/mm: add folio-order check for address ranges

[PATCH v5 09/19] selftests/mm: add folio-order detection self-check

[PATCH v5 10/19] selftests/mm: add khugepaged completion barrier helper

[PATCH v5 11/19] selftests/mm: add order-parameterized khugepaged collapse cases

[PATCH v5 12/19] selftests/mm: parameterize the mixed-source collapse case by source order

[PATCH v5 13/19] selftests/mm: cover a shared-source collapse write race

[PATCH v5 14/19] selftests/mm: run every supported collapse order by default

[PATCH v5 15/19] selftests/mm: check that one khugepaged pass collapses one window

[PATCH v5 16/19] selftests/mm: add khugepaged race harness

[PATCH v5 17/19] selftests/mm: race the collapse of windows with holes

[PATCH v5 18/19] selftests/mm: add memory-pressure threads to the khugepaged race harness

[PATCH v5 19/19] selftests/mm: zap whole PTE tables in the khugepaged race harness

Series Summary

skipped

Session skipped: AI determined the patch has no functional impact

Session 2026-09-08

skipped

ID (for dev)	fee01e25-10f5-4d62-b57f-fa6031aef9c2
Status	skipped
Triaged	Skipped: AI determined the patch has no functional impact [Log] [Trajectory]
Execution Log	[Link]

Test	Base	Patched	Verdict

Patches (19)

Series Summary

Sessions

Session 2026-09-08