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

Recent patches

Most-recent 25 patches in this subsystem on linux-perf-users, ordered by date desc.

• HOTtoday [PATCH v3 3/9] mm: use hw_pte_t for generic PTE table storage
  2026-09-22 · Muhammad Usama Anjum <hidden>
• HOTtoday IN LINUX-NEXT [PATCH v3 27/40] mm: remove hugetlb_inline.h
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING7d [PATCH v2 27/40] mm: remove hugetlb_inline.h
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD16d [PATCH 26/39] mm: remove hugetlb_inline.h
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING7d [PATCH v2 3/8] mm: use hw_pte_t for generic PTE table storage
  2026-09-03 · Muhammad Usama Anjum <hidden>
• COLD41d IN MM: 19 (19M) [PATCH v5 03/16] mm: introduce linear_anon_page_index()
  2026-08-13 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD48d [PATCH v4 18/20] mm/vma: make MAP_PRIVATE-mapped /dev/zero mappings truly anonymous
  2026-08-06 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD48d REVIEWED: 2 (2M) [PATCH v4 03/20] mm: introduce linear_anon_page_index()
  2026-08-06 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COLD47d [PATCH 4/9] mm: use hw_pte_t for generic PTE table storage
  2026-08-06 · Muhammad Usama Anjum <hidden>
• STALE61d [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>
• STALE69d IN MM: 4 (4M) [PATCH v2 18/33] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• STALE69d IN MM: 4 (3M) [PATCH v2 17/33] mm: introduce and use linear_page_delta()
  2026-07-10 · Lorenzo Stoakes <ljs@kernel.org>
• STALE81d [PATCH 16/30] mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• STALE81d [PATCH 15/30] mm: introduce and use linear_page_delta()
  2026-06-29 · Lorenzo Stoakes <ljs@kernel.org>
• STALE197d [PATCH v3 04/12] vfs: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE210d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE210d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE203d [PATCH v1 12/16] mm: rename zap_vma_pages() to zap_vma()
  2026-02-27 · "David Hildenbrand (Arm)" <david@kernel.org>
• STALE214d [PATCH 03/61] trace: update VFS-layer trace events for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE433d [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long
  2025-07-16 · Bhupesh <hidden>
• STALE870d [PATCH v3 11/11] sysctl: treewide: constify the ctl_table argument of handlers
  2024-04-23 · Thomas Weißschuh <linux@weissschuh.net>
• STALE886d REVIEWED: 11 (11M) [PATCH v1 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
  2024-04-02 · David Hildenbrand <hidden>
• STALE915d [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
  2024-03-27 · David Hildenbrand <hidden>
• STALE928d [PATCH 11/11] sysctl: treewide: constify the ctl_table argument of handlers
  2024-03-15 · Thomas Weißschuh <linux@weissschuh.net>
• STALE1309d Re: [linus:master] [mm/mmap] 0503ea8f5b: kernel_BUG_at_mm/filemap.c
  2023-02-27 · Liam R. Howlett <hidden>

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.

• COLD48d REVIEWED: 2 (2M) [PATCH v4 03/20] mm: introduce linear_anon_page_index()
  2026-08-06 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 1 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.

• STALE61d [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>