Subject userfaultfd: working set tracking for VM guest memory
Author kirill@shutemov.name
Date 2026-05-22 13:38:42 +0000 UTC
Version
Cc aarcange@redhat.com akpm@linux-foundation.org alx@kernel.org corbet@lwn.net david@kernel.org jthoughton@google.com kas@kernel.org kernel-team@meta.com kirill@shutemov.name kvm@vger.kernel.org liam.howlett@oracle.com linux-doc@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-man@vger.kernel.org linux-mm@kvack.org ljs@kernel.org pbonzini@redhat.com peterx@redhat.com rppt@kernel.org seanjc@google.com sj@kernel.org skhan@linuxfoundation.org surenb@google.com usama.arif@linux.dev vbabka@kernel.org ziy@nvidia.com
Patches (16)
Name Content [All]
[PATCH v3 01/16] mm: decouple protnone helpers from CONFIG_NUMA_BALANCING [Body]
[PATCH v3 02/16] mm: rename uffd-wp PTE bit macros to uffd [Body]
[PATCH v3 03/16] mm: rename uffd-wp PTE accessors to uffd [Body]
[PATCH v3 04/16] mm: add VM_UFFD_RWP VMA flag [Body]
[PATCH v3 05/16] mm: add MM_CP_UFFD_RWP change_protection() flag [Body]
[PATCH v3 06/16] mm: preserve RWP marker across PTE rewrites [Body]
[PATCH v3 07/16] mm: handle VM_UFFD_RWP in khugepaged, rmap, and GUP [Body]
[PATCH v3 08/16] userfaultfd: add UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT plumbing [Body]
[PATCH v3 09/16] mm/userfaultfd: add RWP fault delivery and expose UFFDIO_REGISTER_MODE_RWP [Body]
[PATCH v3 10/16] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking [Body]
[PATCH v3 11/16] userfaultfd: add UFFD_FEATURE_RWP_ASYNC for async fault resolution [Body]
[PATCH v3 12/16] userfaultfd: add UFFDIO_SET_MODE for runtime sync/async toggle [Body]
[PATCH v3 13/16] selftests/mm: add userfaultfd RWP tests [Body]
[PATCH v3 14/16] Documentation/userfaultfd: document RWP working set tracking [Body]
[PATCH v3 15/16] userfaultfd.2: Add read-write protect mode [Body]
[PATCH v3 16/16] ioctl_userfaultfd.2: Add read-write protect mode docs [Body]
Session 2026-05-22
ID (for dev) f3a9e337-84a6-49d1-bd2f-02b9948e26b3
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 254f49634ee16a731174d2ae34bc50bd5f45e731 [Config] passed [Log]
[KASAN] Boot test: Base 254f49634ee16a731174d2ae34bc50bd5f45e731 [Config] passed [Log]
[KASAN] Build Patched error [Log]