Subject	userfaultfd: working set tracking for VM guest memory
Author	kirill@shutemov.name
Date	2026-05-26 13:04:49 +0000 UTC
Version	Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10
Cc	aarcange@redhat.com akpm@linux-foundation.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-mm@kvack.org ljs@kernel.org pbonzini@redhat.com peterx@redhat.com rppt@kernel.org sashiko-bot@kernel.org seanjc@google.com sj@kernel.org skhan@linuxfoundation.org stable@vger.kernel.org surenb@google.com usama.arif@linux.dev vbabka@kernel.org ziy@nvidia.com

Patches (18)

Name	Content [All]
[PATCH v5 01/18] fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update race	[Body]
[PATCH v5 02/18] mm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade	[Body]
[PATCH v5 03/18] userfaultfd: gate must_wait writability check on pte_present()	[Body]
[PATCH v5 04/18] mm: skip out-of-range bits in mk_vma_flags()	[Body]
[PATCH v5 05/18] mm: decouple protnone helpers from CONFIG_NUMA_BALANCING	[Body]
[PATCH v5 06/18] mm: rename uffd-wp PTE bit macros to uffd	[Body]
[PATCH v5 07/18] mm: rename uffd-wp PTE accessors to uffd	[Body]
[PATCH v5 08/18] mm: add VM_UFFD_RWP VMA flag	[Body]
[PATCH v5 09/18] mm: add MM_CP_UFFD_RWP change_protection() flag	[Body]
[PATCH v5 10/18] mm: preserve RWP marker across PTE rewrites	[Body]
[PATCH v5 11/18] mm: handle VM_UFFD_RWP in khugepaged, rmap, and GUP	[Body]
[PATCH v5 12/18] userfaultfd: add UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT plumbing	[Body]
[PATCH v5 13/18] mm/userfaultfd: add RWP fault delivery and expose UFFDIO_REGISTER_MODE_RWP	[Body]
[PATCH v5 14/18] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking	[Body]
[PATCH v5 15/18] userfaultfd: add UFFD_FEATURE_RWP_ASYNC for async fault resolution	[Body]
[PATCH v5 16/18] userfaultfd: add UFFDIO_SET_MODE for runtime sync/async toggle	[Body]
[PATCH v5 17/18] selftests/mm: add userfaultfd RWP tests	[Body]
[PATCH v5 18/18] Documentation/userfaultfd: document RWP working set tracking	[Body]

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