live update · Maintained

Maintainers

• M Pasha Tatashin <pasha.tatashin@soleen.com>
• M Mike Rapoport <rppt@kernel.org>
• M Pratyush Yadav <pratyush@kernel.org>

Paths

• F Documentation/core-api/liveupdate.rst
• F Documentation/mm/memfd_preservation.rst
• F Documentation/userspace-api/liveupdate.rst
• F include/linux/kho/abi/
• F include/linux/liveupdate.h
• F include/uapi/linux/liveupdate.h
• F kernel/liveupdate/
• F lib/tests/liveupdate.c
• F mm/memfd_luo.c
• F tools/testing/selftests/liveupdate/

Last 30 days

Recent patches

Most-recent 24 patches in this subsystem on stable, ordered by date desc.

• COLD39d Re: Linux 7.0.11
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING6d REVIEWED: 5 (5M) [PATCH 7.0 184/461] mm/memfd_luo: report error when restoring a folio fails mid-loop
  2026-05-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING6d REVIEWED: 11 (11M) [PATCH 7.0 183/461] kho: skip KHO for crash kernel
  2026-05-28 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD52d [PATCH] kho: fix order calculation for kho_unpreserve_pages()
  2026-05-19 · Pratyush Yadav <pratyush@kernel.org>
• COLD46d [PATCH] liveupdate: validate session type before performing operation
  2026-05-19 · Pratyush Yadav <pratyush@kernel.org>
• COLD54d Re: Linux 7.0.9
  2026-05-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD57d REVIEWED: 16 (16M) [PATCH 7.0.y] kho: fix error handling in kho_add_subtree()
  2026-05-14 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies REVIEWED: 16 (16M) FAILED: patch "[PATCH] kho: fix error handling in kho_add_subtree()" failed to apply to 6.18-stable tree
  2026-05-12 · <gregkh@linuxfoundation.org>
• COLD57d REVIEWED: 16 (16M) FAILED: patch "[PATCH] kho: fix error handling in kho_add_subtree()" failed to apply to 7.0-stable tree
  2026-05-12 · <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 7.0.4
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE72d IN LINUX-NEXT: 10 (10M) [PATCH v11 2/4] selftests/liveupdate: add test cases for LIVEUPDATE_IOCTL_CREATE_SESSION calls with invalid length
  2026-04-29 · <hidden>
• STALE72d IN LINUX-NEXT: 10 (10M) [PATCH v11 1/4] liveupdate: reject LIVEUPDATE_IOCTL_CREATE_SESSION with invalid name length
  2026-04-29 · <hidden>
• DORMANTno replies Re: Linux 6.19.13
  2026-04-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies LANDED: 11 (11M) [PATCH v2] kho: fix error handling in kho_add_subtree()
  2026-04-10 · Breno Leitao <leitao@debian.org>
• DORMANTno replies Re: Linux 6.19.9
  2026-03-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE107d REVIEWED: 11 (11M) [PATCH 6.19 249/378] mm: memfd_luo: always dirty all folios
  2026-03-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE107d REVIEWED: 11 (11M) [PATCH 6.19 248/378] mm: memfd_luo: always make all folios uptodate
  2026-03-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.19.6
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• STALE123d REVIEWED: 21 (21M) [PATCH 6.19 723/844] kho: skip memoryless NUMA nodes when reserving scratch areas
  2026-02-28 · Sasha Levin <sashal@kernel.org>
• STALE136d [PATCH 2/2] mm: memfd_luo: always dirty all folios
  2026-02-23 · Pratyush Yadav <pratyush@kernel.org>
• STALE136d [PATCH 1/2] mm: memfd_luo: always make all folios uptodate
  2026-02-23 · Pratyush Yadav <pratyush@kernel.org>
• STALE153d [PATCH -next 1/2] kho: fix missing early_memunmap() call in kho_populate()
  2026-02-06 · <hidden>
• STALE156d REVIEWED: 21 (21M) FAILED: patch "[PATCH] kho: init alloc tags when restoring pages from reserved" failed to apply to 6.18-stable tree
  2026-02-03 · <gregkh@linuxfoundation.org>
• STALE169d [PATCH RESEND v3] kho: init alloc tags when restoring pages from reserved memory
  2026-01-22 · <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE156d REVIEWED: 21 (21M) FAILED: patch "[PATCH] kho: init alloc tags when restoring pages from reserved" failed to apply to 6.18-stable tree
  2026-02-03 · <gregkh@linuxfoundation.org> · 3 Reviewed-by
• COLD57d REVIEWED: 16 (16M) FAILED: patch "[PATCH] kho: fix error handling in kho_add_subtree()" failed to apply to 7.0-stable tree
  2026-05-12 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 16 (16M) FAILED: patch "[PATCH] kho: fix error handling in kho_add_subtree()" failed to apply to 6.18-stable tree
  2026-05-12 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• COLD57d REVIEWED: 16 (16M) [PATCH 7.0.y] kho: fix error handling in kho_add_subtree()
  2026-05-14 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE153d [PATCH -next 1/2] kho: fix missing early_memunmap() call in kho_populate()
  2026-02-06 · <hidden>
• DORMANTno replies Re: Linux 6.19.6
  2026-03-04 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 6.19.9
  2026-03-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.19.13
  2026-04-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 7.0.4
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD54d Re: Linux 7.0.9
  2026-05-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD39d Re: Linux 7.0.11
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>