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)

• Gregory Price <gourry@gourry.net>
  2 attestations (2 Reviewed-by) · last on 2026-07-10
• Pedro Falcato <pfalcato@suse.de>
  2 attestations (2 Reviewed-by) · last on 2026-07-10
• SJ Park <sj@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-07-10
• Ackerley Tng <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-10

Recent patches

Most-recent 15 patches in this subsystem on linux-perf-users, ordered by date desc.

• HOTtoday IN LINUX-NEXT: 3 (3M) [PATCH v2 18/33] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• HOTtoday IN LINUX-NEXT: 3 (2M) [PATCH v2 17/33] mm: introduce and use linear_page_delta()
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• COOLING9d [PATCH 16/30] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• COOLING9d [PATCH 15/30] mm: introduce and use linear_page_delta()
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• STALE125d [PATCH v3 04/12] vfs: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE138d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE138d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE130d [PATCH v1 12/16] mm: rename zap_vma_pages() to zap_vma()
  2026-02-27 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE142d [PATCH 03/61] trace: update VFS-layer trace events for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE361d [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long
  2025-07-16 · Bhupesh <hidden>
• STALE798d [PATCH v3 11/11] sysctl: treewide: constify the ctl_table argument of handlers
  2024-04-23 · Thomas Weißschuh <linux@weissschuh.net>
• STALE814d REVIEWED: 11 (11M) [PATCH v1 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
  2024-04-02 · David Hildenbrand <hidden>
• STALE843d [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
  2024-03-27 · David Hildenbrand <hidden>
• STALE856d [PATCH 11/11] sysctl: treewide: constify the ctl_table argument of handlers
  2024-03-15 · Thomas Weißschuh <linux@weissschuh.net>
• STALE1237d Re: [linus:master] [mm/mmap] 0503ea8f5b: kernel_BUG_at_mm/filemap.c
  2023-02-27 · Liam R. Howlett <hidden>

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.

• STALE138d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE138d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>