page cache · Supported

Maintainers

• M Matthew Wilcox <willy@infradead.org>
• M Jan Kara <jack@suse.cz>

Paths

• F Documentation/filesystems/locking.rst
• F Documentation/filesystems/vfs.rst
• F include/linux/pagemap.h
• F include/linux/writeback.h
• F include/trace/events/filemap.h
• F include/trace/events/readahead.h
• F include/trace/events/writeback.h
• F mm/filemap.c
• F mm/page-writeback.c
• F mm/readahead.c
• F mm/truncate.c

Last 30 days

Active reviewers (last 30 days)

• Tao Cui <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-09-18
• Nilay Shroff <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-18

Recent patches

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

• COOLING6d [PATCH v4 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-20 · Yu Kuai <yukuai@kernel.org>
• COOLING9d REVIEWED: 2 (0M) [PATCH v3 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-18 · Yu Kuai <yukuai@kernel.org>
• WARM1d IN LINUX-NEXT [PATCH v3 27/40] mm: remove hugetlb_inline.h
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d [PATCH v2 27/40] mm: remove hugetlb_inline.h
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING11d REVIEWED: 1 (0M) [PATCH v2 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• WARM2d [PATCH] docs/vfs: Fix the struct file_system_type copy
  2026-09-12 · Karl Mehltretter <hidden>
• COOLING13d [PATCH 26/39] mm: remove hugetlb_inline.h
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING13d [PATCH v3 14/14] mm/page-flags: remove PG_private
  2026-09-08 · Zi Yan <ziy@nvidia.com>
• COLD20d [PATCH] docs: locking: Fix bracket
  2026-09-02 · Manuel Ebner <hidden>
• COLD25d [PATCH RFC 11/11] mm/migrate: pass migrate_control to migrate_folio()
  2026-09-02 · Shivank Garg <hidden>
• COLD24d [PATCH v2 14/14] mm/page-flags: remove PG_private
  2026-08-31 · Zi Yan <ziy@nvidia.com>
• COOLING14d REVIEWED: 1 (0M) [PATCH 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-23 · Yu Kuai <yukuai@kernel.org>
• COLD38d [RFC PATCH v3 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-18 · Yu Kuai <yukuai@kernel.org>
• COLD44d [RFC PATCH v2 3/4] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD16d [PATCH v3 2/9] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-08-05 · Shivank Garg <hidden>
• COLD52d [RFC PATCH v1 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-04 · Yu Kuai <yukuai@kernel.org>
• COLD24d [PATCH RFC 14/14] mm/page-flags: remove PG_private
  2026-08-01 · Zi Yan <ziy@nvidia.com>
• COLD27d [PATCH v19 36/40] dept: track PG_writeback with dept
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD27d [PATCH v19 22/40] dept: track PG_locked with dept
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• STALE96d [PATCH v2 04/11] hugetlbfs,filemap: replace hugetlbfs_read_iter() with generic_file_read_iter()
  2026-06-17 · Jane Chu <hidden>
• STALE96d [PATCH v2 03/11] mm/filemap: add hwpoison handling to filemap_read()
  2026-06-17 · Jane Chu <hidden>
• STALE96d [PATCH v2 02/11] mm: factor out adjust_range_hwpoison() from hugetlbfs
  2026-06-17 · Jane Chu <hidden>
• STALE102d [PATCH 3/3] mm/swap: route slot free notifications through swap_ops
  2026-06-14 · Jianyue Wu <hidden>
• STALE132d [PATCH 03/12] swap,fs: move swapfile operations to struct file_operations
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE132d [PATCH 02/12] swap: move boilerplate code into the core swap code
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE117d [PATCH v6 19/22] swap: simplify swapoff using virtual swap
  2026-05-05 · Nhat Pham <nphamcs@gmail.com>
• STALE135d [PATCH v1] docs: locking: Fix stale dquot.c path
  2026-05-03 · Costa Shulyupin <hidden>
• COLD26d REVIEWED: 29 (27M) [PATCH v12 06/16] mm: introduce AS_NO_DIRECT_MAP
  2026-04-10 · Kalyazin, Nikita <hidden>
• STALE149d [PATCH v5 19/21] swap: simplify swapoff using virtual swap
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• STALE191d [PATCH v4 19/21] swap: simplify swapoff using virtual swap
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>

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.

• STALE191d [PATCH v4 19/21] swap: simplify swapoff using virtual swap
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE149d [PATCH v5 19/21] swap: simplify swapoff using virtual swap
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• STALE117d [PATCH v6 19/22] swap: simplify swapoff using virtual swap
  2026-05-05 · Nhat Pham <nphamcs@gmail.com>
• STALE102d [PATCH 3/3] mm/swap: route slot free notifications through swap_ops
  2026-06-14 · Jianyue Wu <hidden>
• COLD44d [RFC PATCH v2 3/4] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>