Subject mm: Support selecting doing direct COW for anonymous pmd entry
Author lukafocus@icloud.com
Date 2026-05-01 05:55:42 +0000 UTC
Version
Cc akpm@linux-foundation.org arnd@arndb.de baohua@kernel.org baolin.wang@linux.alibaba.com corbet@lwn.net david@kernel.org dev.jain@arm.com jannh@google.com kasong@tencent.com lance.yang@linux.dev liam@infradead.org linux-arch@vger.kernel.org linux-doc@vger.kernel.org linux-kernel@vger.kernel.org linux-mm@kvack.org ljs@kernel.org lukabai@tencent.com lukafocus@icloud.com mhocko@suse.com npache@redhat.com rppt@kernel.org ryan.roberts@arm.com skhan@linuxfoundation.org surenb@google.com vbabka@kernel.org ziy@nvidia.com
Patches (5)
Name Content [All]
[PATCH 1/5] mm: add basic madvise helpers and branch for THP setup [Body]
[PATCH 2/5] mm: add pmd level THP COW parameter in sysfs [Body]
[PATCH 3/5] mm: add pmd level THP COW judgement helpers [Body]
[PATCH 4/5] mm: enable map_anon_folio_pmd_nopf to handle unshare [Body]
[PATCH 5/5] mm: support choosing to do THP COW for anonymous pmd entry. [Body]
Session 2026-05-01
ID (for dev) a2c5d66f-3ba3-42bf-a0d1-589486ae8af5
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] passed [Log]
[KASAN] Boot test: Base 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] passed [Log]
[KASAN] Build Patched 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] [patched] passed [Log]
[KASAN] Fuzz 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] 41cd9e3d23b8fd9e6c3c0311e9cb0304442c6141 [Config] [patched] passed [Log] [Artifacts]
general protection fault in __page_table_check_pmds_set [Log] [Syz Repro]