Subject mm/hmm: Add mmap lock-drop support for userfaultfd-backed mappings
Author skinsburskii@gmail.com
Date 2026-05-20 14:09:26 +0000 UTC
Version
Cc akpm@linux-foundation.org corbet@lwn.net david@kernel.org jgg@ziepe.ca leon@kernel.org liam.howlett@oracle.com linux-doc@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-mm@kvack.org ljs@kernel.org mhocko@suse.com rppt@kernel.org shuah@kernel.org skhan@linuxfoundation.org skinsburskii@gmail.com surenb@google.com vbabka@kernel.org
Patches (3)
Name Content [All]
[PATCH v3 1/3] mm/hmm: move page fault handling out of walk callbacks [Body]
[PATCH v3 2/3] mm/hmm: add hmm_range_fault_unlockable() for mmap lock-drop support [Body]
[PATCH v3 3/3] selftests/mm: add userfaultfd test for HMM unlockable path [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-05-20
Passed
ID (for dev) 32c8518d-7cc3-43b7-a085-d8d4a83c44c8
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] passed [Log]
[KASAN] Boot test: Base 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] passed [Log]
[KASAN] Build Patched 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] [patched] passed [Log]
[KASAN] Fuzz 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] 687da68900cd1a46549f7d9430c7d40346cb86a0 [Config] [patched] passed [Log] [Artifacts]