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

Most active threads (last 7 days)

• WARM2d [PATCH v5 00/21] netfs: Keep track of folios in a segmented bio_vec[] chain
  2026-07-06 15:34 · 1 reply in 7d · David Howells <dhowells@redhat.com>
• WARM2d [PATCH v5 00/21] netfs: Keep track of folios in a segmented bio_vec[] chain
  2026-07-06 15:28 · 1 reply in 7d · David Howells <dhowells@redhat.com>

Recent patches

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

• WARM2d [PATCH v5 01/21] mm: Make readahead store folio count in readahead_control
  2026-07-06 · David Howells <dhowells@redhat.com>
• WARM2d [PATCH v5 01/21] mm: Make readahead store folio count in readahead_control
  2026-07-06 · David Howells <dhowells@redhat.com>
• COLD22d [PATCH v4 11/30] mm: Make readahead store folio count in readahead_control
  2026-06-16 · David Howells <dhowells@redhat.com>
• COLD30d [PATCH v3 04/22] mm: Make readahead store folio count in readahead_control
  2026-06-08 · David Howells <dhowells@redhat.com>
• COLD34d [PATCH v2 03/21] mm: Make readahead store folio count in readahead_control
  2026-05-18 · David Howells <dhowells@redhat.com>
• STALE86d [PATCH 09/26] mm: Make readahead store folio count in readahead_control
  2026-03-26 · David Howells <dhowells@redhat.com>
• STALE114d [PATCH v3 04/12] vfs: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE126d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE126d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE131d [PATCH 03/61] trace: update VFS-layer trace events for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE124d [PATCH v2 4/4] folio_batch: Rename PAGEVEC_SIZE to FOLIO_BATCH_SIZE
  2026-02-25 · Tal Zussman <hidden>
• STALE124d [PATCH v2 3/4] folio_batch: Rename pagevec.h to folio_batch.h
  2026-02-25 · Tal Zussman <hidden>
• STALE133d [PATCH 08/11] VFS: allow d_splice_alias() and d_add() to work on hashed dentries.
  2025-08-12 · NeilBrown <neil@brown.name>
• STALE498d REVIEWED: 4 (4M) [PATCH 1/6] Change inode_operations.mkdir to return struct dentry *
  2025-02-20 · NeilBrown <hidden>
• STALE526d REVIEWED: 5 (3M) [PATCH v2] treewide: const qualify ctl_tables where applicable
  2025-01-10 · Joel Granados <joel.granados@kernel.org>
• STALE544d [PATCH] treewide: const qualify ctl_tables where applicable
  2025-01-09 · Joel Granados <joel.granados@kernel.org>
• STALE530d [PATCH v5 26/32] Display waited-on page index after 1min of waiting
  2024-12-16 · David Howells <dhowells@redhat.com>
• STALE673d REVIEWED: 5 (5M) [PATCH 6.1 34/71] mm: Fix missing folio invalidation calls during truncation
  2024-09-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE673d REVIEWED: 5 (5M) [PATCH 6.10 065/149] mm: Fix missing folio invalidation calls during truncation
  2024-09-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE673d REVIEWED: 5 (5M) [PATCH 6.6 39/93] mm: Fix missing folio invalidation calls during truncation
  2024-09-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE675d LANDED [PATCH 4/6] mm: Fix filemap_invalidate_inode() to use invalidate_inode_pages2_range()
  2024-08-28 · David Howells <dhowells@redhat.com>
• DORMANTno replies Re: [PATCH 1/9] mm: Fix missing folio invalidation calls during truncation
  2024-08-28 · Pankaj Raghav (Samsung) <hidden>
• STALE679d LANDED [PATCH 1/9] mm: Fix missing folio invalidation calls during truncation
  2024-08-23 · David Howells <dhowells@redhat.com>
• STALE687d [PATCH 1/4] mm: Fix missing folio invalidation calls during truncation
  2024-08-20 · David Howells <dhowells@redhat.com>
• STALE798d Re: [PATCH v2 07/22] mm: Provide a means of invalidation without using launder_folio
  2024-05-01 · David Howells <dhowells@redhat.com>
• STALE798d REVIEWED: 4 (4M) [PATCH v2 12/22] mm: Export writeback_iter()
  2024-04-30 · David Howells <dhowells@redhat.com>
• STALE798d [PATCH v2 07/22] mm: Provide a means of invalidation without using launder_folio
  2024-04-30 · David Howells <dhowells@redhat.com>
• STALE798d REVIEWED: 4 (4M) [PATCH v2 03/22] mm: Remove the PG_fscache alias for PG_private_2
  2024-04-30 · David Howells <dhowells@redhat.com>
• STALE813d [PATCH 15/26] mm: Export writeback_iter()
  2024-03-28 · David Howells <dhowells@redhat.com>
• STALE813d [PATCH 09/26] mm: Provide a means of invalidation without using launder_folio
  2024-03-28 · David Howells <dhowells@redhat.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.

• STALE126d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE126d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• COLD34d [PATCH v2 03/21] mm: Make readahead store folio count in readahead_control
  2026-05-18 · David Howells <dhowells@redhat.com>
• COLD30d [PATCH v3 04/22] mm: Make readahead store folio count in readahead_control
  2026-06-08 · David Howells <dhowells@redhat.com>