slab allocator · Maintained

Maintainers

• M Vlastimil Babka <vbabka@kernel.org>
• M Harry Yoo <harry@kernel.org>
• M Andrew Morton <akpm@linux-foundation.org>
• R Hao Li <hao.li@linux.dev>
• R Christoph Lameter <cl@gentwo.org>
• R David Rientjes <rientjes@google.com>
• R Roman Gushchin <roman.gushchin@linux.dev>

Paths

• F Documentation/admin-guide/mm/slab.rst
• F Documentation/mm/slab.rst
• F include/linux/mempool.h
• F include/linux/slab.h
• F lib/tests/slub_kunit.c
• F mm/failslab.c
• F mm/mempool.c
• F mm/slab.h
• F mm/slab_common.c
• F mm/slub.c
• F scripts/gdb/linux/slab.py
• F tools/cgroup/memcg_slabinfo.py
• F tools/include/linux/slab.h
• F tools/lib/slab.c
• F tools/mm/slabinfo-gnuplot.sh
• F tools/mm/slabinfo.c

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH 6.12 0/7] Backport object allocation APIs and two fscrypt fixes
  2026-07-17 04:46 · 4 replies in 7d · Eric Biggers <ebiggers@kernel.org>

Active reviewers (last 30 days)

• Vlastimil Babka <hidden>
  2 attestations (2 Acked-by) · last on 2026-07-17
• Harry Yoo (Oracle) <harry@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-07-17

Recent patches

Most-recent 12 patches in this subsystem on linux-fscrypt, ordered by date desc.

• HOTtoday REVIEWED: 2 (2M) [PATCH 6.12 5/7] slab: recognize @GFP parameter as optional in kernel-doc
  2026-07-17 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.12 1/7] slab: Introduce kmalloc_obj() and family
  2026-07-17 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.12 2/7] slab: Introduce kmalloc_flex() and family
  2026-07-17 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday [PATCH 6.12 3/7] add default_gfp() helper macro and use it in the new *alloc_obj() helpers
  2026-07-17 · Eric Biggers <ebiggers@kernel.org>
• STALE245d [PATCH 3/9] mempool: add mempool_{alloc,free}_bulk
  2025-10-31 · Christoph Hellwig <hch@lst.de>
• STALE245d [PATCH 2/9] mempool: add error injection support
  2025-10-31 · Christoph Hellwig <hch@lst.de>
• STALE245d [PATCH 1/9] mempool: update kerneldoc comments
  2025-10-31 · Christoph Hellwig <hch@lst.de>
• STALE2221d REVIEWED: 4 (4M) [PATCH v5 1/2] mm/slab: Use memzero_explicit() in kzfree()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2221d REVIEWED: 19 (19M) [PATCH v5 2/2] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2220d REVIEWED: 19 (19M) [PATCH v4 2/3] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2220d [PATCH v4 1/3] mm/slab: Use memzero_explicit() in kzfree()
  2020-06-16 · Waiman Long <longman@redhat.com>
• STALE2222d [PATCH 1/2] mm, treewide: Rename kzfree() to kfree_sensitive()
  2020-04-13 · Waiman Long <longman@redhat.com>