Active subsystems in linux-arch

77 subsystems with patch activity in the last 7 days, busiest first. Each links to its own dashboard: recent patches, active threads and reviewers for the paths that subsystem claims in MAINTAINERS.

• memory management
  50 messages in 7d · last 2026-10-27 08:25 · Andrew Morton
• memory management - thp (transparent huge page)
  11 messages in 7d · last 2026-10-26 23:31 · Andrew Morton et al.
• memory management - core
  10 messages in 7d · last 2026-10-26 23:30 · Andrew Morton et al.
• generic include/asm header files
  10 messages in 7d · last 2026-10-26 23:26 · Arnd Bergmann
• memory mapping
  9 messages in 7d · last 2026-10-27 03:45 · Andrew Morton et al.
• memory management - userfaultfd
  6 messages in 7d · last 2026-10-27 08:25 · Andrew Morton et al.
• networking [general]
  6 messages in 7d · last 2026-10-21 03:16 · "David S. Miller" et al.
• page cache Supported
  5 messages in 7d · last 2026-10-26 23:21 · Matthew Wilcox et al.
• live update
  5 messages in 7d · last 2026-10-26 23:18 · Pasha Tatashin et al.
• memory management - gup (get user pages)
  4 messages in 7d · last 2026-10-26 23:24 · Andrew Morton et al.
• proc filesystem
  3 messages in 7d · last 2026-10-27 12:13
• kernel selftest framework
  3 messages in 7d · last 2026-10-27 03:34 · Shuah Khan et al.
• memory management - ksm (kernel samepage merging)
  3 messages in 7d · last 2026-10-26 23:30 · Andrew Morton et al.
• tmpfs (shmem filesystem)
  3 messages in 7d · last 2026-10-26 23:19 · Hugh Dickins
• mips
  3 messages in 7d · last 2026-10-26 11:18 · Thomas Bogendoerfer
• alpha port Odd Fixes
  3 messages in 7d · last 2026-10-26 11:18 · Richard Henderson et al.
• kexec handover (kho)
  3 messages in 7d · last 2026-10-21 15:26 · Mike Rapoport et al.
• kernel nfsd, sunrpc, and lockd servers Supported
  3 messages in 7d · last 2026-10-21 03:17 · Chuck Lever et al.
• ext4 file system
  3 messages in 7d · last 2026-10-21 03:17 · "Theodore Ts'o"
• security subsystem Supported
  3 messages in 7d · last 2026-10-21 03:16 · Paul Moore et al.
• abi/api
  3 messages in 7d · last 2026-10-21 03:16
• linux for powerpc (32-bit and 64-bit) Supported
  2 messages in 7d · last 2026-10-26 11:19 · Madhavan Srinivasan
• x86 architecture (32-bit and 64-bit)
  2 messages in 7d · last 2026-10-26 11:19 · Thomas Gleixner et al.
• documentation
  2 messages in 7d · last 2026-10-21 03:17 · Jonathan Corbet
• nfs, sunrpc, and lockd clients
  2 messages in 7d · last 2026-10-21 03:17 · Trond Myklebust et al.
• networking [unix sockets]
  2 messages in 7d · last 2026-10-21 03:16 · Kuniyuki Iwashima
• networking [sockets]
  2 messages in 7d · last 2026-10-21 03:16 · Eric Dumazet et al.
• parisc architecture
  2 messages in 7d · last 2026-10-21 03:16 · "James E.J. Bottomley" et al.
• sparc + ultrasparc (sparc/sparc64)
  2 messages in 7d · last 2026-10-21 03:16 · "David S. Miller" et al.
• integrity measurement architecture (ima) Supported
  2 messages in 7d · last 2026-10-21 03:16 · Mimi Zohar et al.
• extended verification module (evm) Supported
  2 messages in 7d · last 2026-10-21 03:16 · Mimi Zohar et al.
• memory management - numa placement
  1 message in 7d · last 2026-10-26 23:32 · Andrew Morton et al.
• memory management - misc
  1 message in 7d · last 2026-10-26 23:31 · Andrew Morton et al.
• memory management - swap
  1 message in 7d · last 2026-10-26 23:30 · Andrew Morton et al.
• hugetlb subsystem
  1 message in 7d · last 2026-10-26 23:29 · Muchun Song et al.
• memory mapping - madvise (memory advice)
  1 message in 7d · last 2026-10-26 23:28 · Andrew Morton et al.
• memory hot(un)plug
  1 message in 7d · last 2026-10-26 23:27 · David Hildenbrand et al.
• mmu gather and tlb invalidation
  1 message in 7d · last 2026-10-26 23:26 · Will Deacon et al.
• memory management - rmap (reverse mapping)
  1 message in 7d · last 2026-10-26 23:20 · Andrew Morton et al.
• scheduler
  1 message in 7d · last 2026-10-26 23:18 · Ingo Molnar et al.
• exec & binfmt api, elf Supported
  1 message in 7d · last 2026-10-26 23:18 · Kees Cook
• memory management - reclaim
  1 message in 7d · last 2026-10-26 23:18 · Andrew Morton et al.
• memory management - mglru (multi-gen lru)
  1 message in 7d · last 2026-10-26 23:18 · Andrew Morton
• loongarch
  1 message in 7d · last 2026-10-26 11:18 · Huacai Chen
• c-sky architecture Supported
  1 message in 7d · last 2026-10-22 11:59 · Guo Ren
• pci subsystem Supported
  1 message in 7d · last 2026-10-21 15:25 · Bjorn Helgaas
• dma buffer sharing framework
  1 message in 7d · last 2026-10-21 09:57 · Sumit Semwal et al.
• kernel smb3 server (ksmbd)
  1 message in 7d · last 2026-10-21 03:17 · Namjae Jeon et al.
• overlay filesystem Supported
  1 message in 7d · last 2026-10-21 03:17 · Miklos Szeredi et al.
• audit subsystem Supported
  1 message in 7d · last 2026-10-21 03:17 · Paul Moore et al.
• ptrace support
  1 message in 7d · last 2026-10-21 03:17 · Oleg Nesterov
• io_uring
  1 message in 7d · last 2026-10-21 03:17 · Jens Axboe
• tty layer and serial drivers Supported
  1 message in 7d · last 2026-10-21 03:16 · Greg Kroah-Hartman et al.
• networking [labeled] (netlabel, labeled ipsec, secmark) Supported
  1 message in 7d · last 2026-10-21 03:16 · Paul Moore
• apparmor security module Supported
  1 message in 7d · last 2026-10-21 03:16 · John Johansen et al.
• integrity policy enforcement (ipe) Supported
  1 message in 7d · last 2026-10-21 03:16 · Fan Wu
• selinux security module Supported
  1 message in 7d · last 2026-10-21 03:16 · Paul Moore et al.
• arm port Odd Fixes
  1 message in 7d · last 2026-10-21 03:16 · Russell King
• arm64 port (aarch64 architecture)
  1 message in 7d · last 2026-10-21 03:16 · Catalin Marinas et al.
• m68k architecture
  1 message in 7d · last 2026-10-21 03:16 · Geert Uytterhoeven
• microblaze architecture Supported
  1 message in 7d · last 2026-10-21 03:16 · Michal Simek
• s390 architecture Supported
  1 message in 7d · last 2026-10-21 03:16 · Heiko Carstens et al.
• superh
  1 message in 7d · last 2026-10-21 03:16 · Yoshinori Sato et al.
• x86 entry code
  1 message in 7d · last 2026-10-21 03:16 · Andy Lutomirski
• tensilica xtensa port (xtensa)
  1 message in 7d · last 2026-10-21 03:16 · Chris Zankel et al.
• filesystems (vfs and infrastructure)
  1 message in 7d · last 2026-10-21 03:16 · Alexander Viro et al.
• diskquota
  1 message in 7d · last 2026-10-21 03:16 · Jan Kara
• ecrypt file system Odd Fixes
  1 message in 7d · last 2026-10-21 03:16 · Tyler Hicks
• ublk userspace block driver
  1 message in 7d · last 2026-10-21 03:16 · Ming Lei
• block layer
  1 message in 7d · last 2026-10-21 03:16 · Jens Axboe
• keys/keyrings
  1 message in 7d · last 2026-10-21 03:16 · David Howells et al.
• fscrypt: file system level encryption support Supported
  1 message in 7d · last 2026-10-21 03:16 · Eric Biggers et al.
• filesystems [idmapped mounts]
  1 message in 7d · last 2026-10-21 03:15 · Christian Brauner et al.
• memory management - oom killer
  1 message in 7d · last 2026-10-21 03:15 · Michal Hocko
• common internet file system client (cifs and smb3) Supported
  1 message in 7d · last 2026-10-21 03:15 · Paulo Alcantara et al.
• bluetooth subsystem Supported
  1 message in 7d · last 2026-10-21 03:15 · Marcel Holtmann et al.
• uuid helpers
  1 message in 7d · last 2026-10-21 03:15