page cache · Supported

Maintainers

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

Paths

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

Last 30 days

Recent patches

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

• WARM3d [PATCH v6 19/22] swap: simplify swapoff using virtual swap
  2026-05-05 · Nhat Pham <nphamcs@gmail.com>
• COOLING11d [PATCH RFC] memcg: add per-cgroup dirty page controls (dirty_ratio, dirty_min)
  2026-05-01 · Alireza Haghdoost via B4 Relay <devnull+haghdoost.uber.com@kernel.org>
• COLD35d [PATCH v5 19/21] swap: simplify swapoff using virtual swap
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• STALE77d [PATCH v4 19/21] swap: simplify swapoff using virtual swap
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• STALE91d [PATCH v2 4/4] folio_batch: Rename PAGEVEC_SIZE to FOLIO_BATCH_SIZE
  2026-02-25 · Tal Zussman <hidden>
• STALE91d [PATCH v2 3/4] folio_batch: Rename pagevec.h to folio_batch.h
  2026-02-25 · Tal Zussman <hidden>
• STALE113d [PATCH 4/4] memcg: remove __lruvec_stat_mod_folio
  2025-11-10 · Shakeel Butt <shakeel.butt@linux.dev>
• STALE120d [RFC PATCH v1 09/37] KVM: guest_memfd: Skip LRU for guest_memfd folios
  2025-10-17 · Ackerley Tng <hidden>
• STALE253d Re: [External] Re: [PATCH v2 2/2] memcg: Don't trigger hung task warnings when memcg is releasing resources.
  2025-09-24 · Julian Sun <hidden>
• STALE571d REVIEWED: 3 (3M) [PATCH v3 17/28] convert cachestat(2)
  2024-11-02 · Al Viro <viro@zeniv.linux.org.uk>
• STALE571d REVIEWED: 3 (3M) [PATCH v3 14/28] fdget(), trivial conversions
  2024-11-02 · Al Viro <viro@zeniv.linux.org.uk>
• STALE578d [PATCH v1 6/6] memcg-v1: remove memcg move locking code
  2024-10-25 · Shakeel Butt <shakeel.butt@linux.dev>
• STALE578d [PATCH v1 4/6] memcg-v1: no need for memcg locking for writeback tracking
  2024-10-25 · Shakeel Butt <shakeel.butt@linux.dev>
• STALE578d [PATCH v1 3/6] memcg-v1: no need for memcg locking for dirty tracking
  2024-10-25 · Shakeel Butt <shakeel.butt@linux.dev>
• STALE586d [RFC PATCH 3/3] memcg-v1: remove memcg move locking code
  2024-10-24 · Shakeel Butt <shakeel.butt@linux.dev>
• STALE546d [RFC PATCH v1 06/57] mm: Remove PAGE_SIZE compile-time constant assumption
  2024-10-14 · Ryan Roberts <ryan.roberts@arm.com>
• STALE610d Re: [PATCH] btrfs: root memcgroup for metadata filemap_add_folio()
  2024-10-02 · Christoph Hellwig <hch@infradead.org>
• STALE571d [PATCH 26/39] convert cachestat(2)
  2024-07-30 · viro@kernel.org
• STALE571d [PATCH 23/39] fdget(), trivial conversions
  2024-07-30 · viro@kernel.org
• STALE571d [PATCH 02/39] introduce fd_file(), convert all accessors to it.
  2024-07-30 · viro@kernel.org
• STALE750d [RFC PATCH 2/2] mm: introduce budgt control in readahead
  2024-05-15 · zhaoyang.huang <hidden>
• STALE752d [RFC PATCH 2/2] mm: introduce budgt control in readahead
  2024-05-09 · zhaoyang.huang <hidden>
• STALE772d [PATCH v1 13/18] mm/filemap: use folio_mapcount() in filemap_unaccount_folio()
  2024-04-09 · David Hildenbrand <hidden>
• STALE771d REVIEWED: 1 (0M) [PATCH v6 18/37] mm: enable page allocation tagging
  2024-03-21 · Suren Baghdasaryan <surenb@google.com>
• STALE812d REVIEWED: 1 (0M) [PATCH v5 18/37] mm: enable page allocation tagging
  2024-03-06 · Suren Baghdasaryan <surenb@google.com>
• STALE820d [PATCH v5 2/8] mm: Support order-1 folios in the page cache
  2024-02-26 · Zi Yan <hidden>
• STALE815d REVIEWED: 1 (0M) [PATCH v4 18/36] mm: enable page allocation tagging
  2024-02-21 · Suren Baghdasaryan <surenb@google.com>
• STALE840d Re: [PATCH v4 0/7] Split a folio to any lower order folios
  2024-02-16 · Pankaj Raghav (Samsung) <hidden>
• STALE840d [PATCH v4 6/7] mm: truncate: split huge page cache page to a non-zero order if possible.
  2024-02-13 · Zi Yan <hidden>
• STALE827d [PATCH v3 17/35] mm: enable page allocation tagging
  2024-02-12 · Suren Baghdasaryan <surenb@google.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.

• STALE77d [PATCH v4 19/21] swap: simplify swapoff using virtual swap
  2026-03-18 · Nhat Pham <nphamcs@gmail.com>
• COLD35d [PATCH v5 19/21] swap: simplify swapoff using virtual swap
  2026-03-20 · Nhat Pham <nphamcs@gmail.com>
• WARM3d [PATCH v6 19/22] swap: simplify swapoff using virtual swap
  2026-05-05 · Nhat Pham <nphamcs@gmail.com>