memory management · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>

Paths

• F mm/
• F tools/mm/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v6 0/3] memcg,writeback: flush foreign bdev mappings separately
  2026-09-17 07:01 · 2 replies in 7d · Julian Sun <hidden>
• WARM2d [PATCH v5 0/3] memcg,writeback: flush foreign bdev mappings separately
  2026-09-15 08:34 · 2 replies in 7d · Julian Sun <hidden>
• WARM2d [PATCH v4 0/3] memcg,writeback: flush foreign bdev mappings separately
  2026-09-14 10:31 · 2 replies in 7d · Julian Sun <hidden>
• WARM1d [PATCH v2 0/3] blk-cgroup: store blkcg in bio before blkcg_mutex conversion
  2026-09-13 06:55 · 1 reply in 7d · Yu Kuai <yukuai@kernel.org>

Active reviewers (last 30 days)

• Jan Kara <jack@suse.cz>
  3 attestations (3 Suggested-by) · last on 2026-09-17
• Vlastimil Babka (SUSE) <vbabka@kernel.org>
  3 attestations (3 Reviewed-by) · last on 2026-09-09
• Tao Cui <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-09-13
• David Hildenbrand (Arm) <david@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-09-09
• Miaohe Lin <linmiaohe@huawei.com>
  1 attestation (1 Acked-by) · last on 2026-09-09

Recent patches

Most-recent 30 patches in this subsystem on linux-block (capped at 30), ordered by date desc.

• DORMANTno replies [PATCH v6 3/3] writeback: record bdev targets in foreign writeback tracepoints
  2026-09-17 · Julian Sun <hidden>
• HOTtoday [PATCH v6 2/3] memcg,writeback: flush foreign bdev mappings separately from owner wbs
  2026-09-17 · Julian Sun <hidden>
• DORMANTno replies [PATCH v5 3/3] writeback: record bdev targets in foreign writeback tracepoints
  2026-09-15 · Julian Sun <hidden>
• WARM2d [PATCH v5 2/3] memcg,writeback: flush foreign bdev mappings separately from owner wbs
  2026-09-15 · Julian Sun <hidden>
• WARM2d [PATCH v4 3/3] writeback: record bdev targets in foreign writeback tracepoints
  2026-09-14 · Julian Sun <hidden>
• WARM2d [PATCH v4 2/3] memcg,writeback: flush foreign bdev mappings separately from owner wbs
  2026-09-14 · Julian Sun <hidden>
• WARM1d REVIEWED: 1 (0M) [PATCH v2 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• WARM1d [PATCH v2 27/26] mm/fbatch: paranoid folio vmstats in folio_batch_move_lru()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 26/26] mm/fbatch: drop reference inside the loop when draining
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 25/26] mm/fbatch: move lru_add_drain_all() declaration to mm/internal.h
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 24/26] fs,mm/fbatch: lru_cache_disable() keep off buffer_head lrus only
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 23/26] fs,mm/fbatch: use invalidate_bh_lrus() not invalidate_bh_lrus_cpu()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 19/26] mm/fbatch: vm/stat_refresh include lru_add_drain() on each cpu
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 18/26] mm/fbatch: remove lru_add_drain() and _all() calls from various
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 17/26] mm/fbatch: no lru_cache_disable() in __alloc_contig_migrate_range()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 16/26] mm/fbatch: remove lru_cache_disable() from NUMA folio migration
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d REVIEWED: 1 (1M) [PATCH v2 15/26] mm/fbatch: remove shake_folio() shake_page() from memory-failure
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 14/26] mm/fbatch: no lru_add_drain() nor _all() for memfd_wait_for_pins()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 13/26] mm/fbatch: no lru_add_drain to collect_longterm_unpinnable_folios()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 12/26] mm/fbatch: remove percpu_pvec_drained and folios_put()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 11/26] mm/fbatch: remove migration's PAGE_WAS_MLOCKED lru_add_drain()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 10/26] mm/fbatch: remove several uses of mlock_drain_local()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 09/26] mm/fbatch: restore mlock+munlock batching, without extra ref
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 08/26] mm/fbatch: replace mlock_new_folio() by __folio_add_lru(,mlockit)
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 07/26] mm/fbatch: LRU_NEXT_ACTIVATE bit to optimize folio_activate()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 06/26] mm/fbatch: fbatch_drain_lazyfree(onstack fbatch) before ptl unlock
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 05/26] mm/fbatch: lru_add_del_folio()+folio_add_lru() after clear_lru()
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d [PATCH v2 04/26] mm/fbatch: lru bit set, no extra ref, while folio on per-cpu fbatch
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d REVIEWED: 9 (9M) [PATCH v2 03/26] mm/fbatch: temporarily disable lazyfree and mlock+munlock batching
  2026-09-09 · Hugh Dickins <hughd@google.com>
• WARM1d REVIEWED: 25 (25M) [PATCH v2 02/26] mm/fbatch: allow folios_put_refs() to skip xa_is_value() entries
  2026-09-09 · Hugh Dickins <hughd@google.com>

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.

• COLD43d REVIEWED: 4 (3M) [PATCH v2] block: split out a new blk_plug.h header
  2026-08-04 · Christoph Hellwig <hch@lst.de> · 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.

• STALE205d [PATCH v1 02/11] mm/slub: zero page->private when freeing pages
  2026-02-23 · Zi Yan <ziy@nvidia.com>
• STALE205d [PATCH v1 10/11] mm/huge_memory: add page->private check back in __split_folio_to_order()
  2026-02-23 · Zi Yan <ziy@nvidia.com>
• STALE205d [PATCH v1 11/11] mm/page_alloc: check page->private upon page free
  2026-02-23 · Zi Yan <ziy@nvidia.com>
• STALE205d [PATCH v1 08/11] percpu: zero page->private when freeing pages
  2026-02-23 · Zi Yan <ziy@nvidia.com>
• STALE205d Re: [PATCH v1 00/11] Zero page->private when freeing pages
  2026-02-23 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE153d [PATCH 33/61] mm: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE120d [RFC PATCH v2 1/4] mm:zsmalloc: drop class lock before freeing zspage
  2026-04-21 · Wenchao Hao <hidden>
• STALE128d [RFC PATCH v3 2/4] mm/zswap: use zsmalloc deferred free callback for async invalidate
  2026-05-08 · Wenchao Hao <hidden>
• STALE128d Re: [RFC PATCH v3 0/4] mm/zsmalloc: per-cpu deferred free to accelerate swap entry release
  2026-05-09 · Wenchao Hao <hidden>
• STALE84d [PATCH 7/8] mm/page_io: don't nest queue_lock under rcu in bio_associate_blkg_from_page()
  2026-06-08 · Yu Kuai <yukuai@kernel.org>