Active subsystems

100 subsystems with patch activity in the last 7 days, busiest first. Each links to a dashboard of patches, threads and reviewers.

SubsystemMessages, 7 daysMaintainerLast
memory management 235 Andrew Morton
networking [general] 162 "David S. Miller" et al.
drm drivers 160 David Airlie et al.
sound 112 Jaroslav Kysela et al.
hardware monitoring 93 Guenter Roeck
radeon and amdgpu drm drivers Supported 80 Alex Deucher et al.
xfs filesystem Supported 62 Carlos Maiolino
drm drivers and misc gpu patches 56 Maarten Lankhorst et al.
media input infrastructure (v4l/dvb) 54 Mauro Carvalho Chehab
x86 architecture (32-bit and 64-bit) 50 Thomas Gleixner et al.
9p file system 46 Eric Van Hensbergen et al.
kernel nfsd, sunrpc, and lockd servers Supported 43 Chuck Lever et al.
memory management - shared memory (shmem/tmpfs/memfd) 42 Hugh Dickins et al.
networking drivers 41 Andrew Lunn et al.
oracle cluster filesystem 2 (ocfs2) Supported 40 Mark Fasheh et al.
arm64 port (aarch64 architecture) 38 Catalin Marinas et al.
batman advanced 37 Marek Lindner et al.
sound - soc layer / dynamic audio power management (asoc) Supported 31 Liam Girdwood et al.
memory management - core 29 David Hildenbrand
common internet file system client (cifs and smb3) Supported 28 Paulo Alcantara et al.
f2fs file system 27 Jaegeuk Kim et al.
io_uring 27 Jens Axboe
block layer 26 Jens Axboe
amphenol chipcap 2 driver 25 Javier Carrasco
kernel smb3 server (ksmbd) 24 Namjae Jeon et al.
memory mapping 23 Andrew Morton et al.
hugetlb subsystem 22 Muchun Song et al.
can network layer 22 Oliver Hartkopp et al.
memory management - thp (transparent huge page) 21 David Hildenbrand et al.
kernel virtual machine for x86 (kvm/x86) Supported 21 Sean Christopherson et al.
documentation 20 Jonathan Corbet
nvm express driver Supported 20 Keith Busch et al.
scsi subsystem 19 "James E.J. Bottomley" et al.
intel drm i915 driver (meteor lake, dg2 and older excluding poulsbo, moorestown and derivative) Supported 19 Jani Nikula et al.
damon 18 SJ Park
amd display core Supported 18 Harry Wentland et al.
pci subsystem Supported 17 Bjorn Helgaas
bluetooth subsystem Supported 17 Marcel Holtmann et al.
kernel virtual machine for arm64 (kvm/arm64) 16 Marc Zyngier et al.
iio subsystem and drivers 16 Jonathan Cameron
virtio host (vhost) 16 "Michael S. Tsirkin" et al.
intel drm display for xe and i915 drivers Supported 16 Jani Nikula et al.
memory management - page allocator 15 Vlastimil Babka et al.
realtek wireless driver (rtw88) 15 Ping-Ke Shih
power supply class/subsystem and drivers 14 Sebastian Reichel
iommu subsystem 14 Joerg Roedel et al.
udf filesystem 14 Jan Kara
memory management - gup (get user pages) 14 David Hildenbrand
amd asoc drivers Supported 13 Vijendar Mukunda
acpi Supported 13 "Rafael J. Wysocki"
libata subsystem (serial and parallel ata drivers) 13 Damien Le Moal et al.
control group - memory resource controller (memcg) 13 Johannes Weiner et al.
page cache Supported 13 Matthew Wilcox et al.
drm drivers for vc4 Supported 13 Maxime Ripard et al.
common clk framework 12 Stephen Boyd et al.
pci native host bridge and endpoint drivers Supported 12 Lorenzo Pieralisi et al.
framebuffer layer 11 Helge Deller
spi subsystem 11 Mark Brown
nvm express target driver Supported 11 Christoph Hellwig et al.
can network drivers 11 Marc Kleine-Budde et al.
crypto api 10 Herbert Xu et al.
mips 10 Thomas Bogendoerfer
memory technology devices (mtd) 10 Miquel Raynal et al.
x86 platform drivers 9 Hans de Goede et al.
networking [mptcp] 9 Matthieu Baerts et al.
tty layer and serial drivers Supported 9 Greg Kroah-Hartman et al.
memory management - reclaim 9 Andrew Morton et al.
memory management - mglru (multi-gen lru) 9 Andrew Morton
sctp protocol 9 Marcelo Ricardo Leitner et al.
overlay filesystem Supported 9 Miklos Szeredi et al.
memory management - ksm (kernel samepage merging) 9 David Hildenbrand
aquacomputer d5 next pump sensor driver 9 Aleksa Savic et al.
drm drivers for loongson 9 Jianmin Lv et al.
networking [ipsec] 9 Steffen Klassert et al.
memory management - userfaultfd 8 Andrew Morton et al.
virtio core 8 "Michael S. Tsirkin" et al.
scsi target subsystem Supported 8 "Martin K. Petersen"
mac80211 8 Johannes Berg
nand flash subsystem 8 Miquel Raynal
memory management - misc 8 Andrew Morton et al.
memory management - numa placement 7 David Hildenbrand et al.
drm driver for nvidia geforce/quadro gpus Supported 7 Lyude Paul et al.
amd iommu (amd-vi) 7 Joerg Roedel et al.
memory management - migration 7 David Hildenbrand
nfs, sunrpc, and lockd clients 7 Trond Myklebust et al.
acpi cppc 7 "Rafael J. Wysocki" et al.
coretemp hardware monitoring driver Orphan 6 none listed
open firmware and flattened device tree bindings 6 Rob Herring et al.
fuse filesystem [core] Supported 6 Miklos Szeredi
ublk userspace block driver 6 Ming Lei
mediatek mt76 wireless lan driver 6 Felix Fietkau et al.
universal flash storage host controller driver Supported 6 none listed
multifunction devices (mfd) 6 Lee Jones
dma generic offload engine subsystem 6 Vinod Koul
tc subsystem 6 Jamal Hadi Salim et al.
ext2 file system 6 Jan Kara
bpf [networking] (tcx & tc bpf, sock_addr) 6 Daniel Borkmann
bpf [general] (safe dynamic programs and tools) Supported 6 Alexei Starovoitov et al.
drm drivers for bridge chips 6 Andrzej Hajda et al.
hp wmi hardware monitor driver 6 James Seo
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