memory management · Maintained

Maintainers

• M Andrew Morton <akpm@linux-foundation.org>

Paths

• F mm/
• F tools/mm/

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH] mm: do file ownership checks with the proper mount idmap
  2026-06-25 15:39 · 0 replies in 7d · Pedro Falcato <pfalcato@suse.de>
• WARM2d [PATCH v4] coredump: Add /proc/<pid>/coredump_pre_exit for pre-exit before dumping
  2026-06-24 14:56 · 0 replies in 7d · Xin Zhao <hidden>
• WARM2d [PATCH 0/1] iomap: avoid compaction for costly folio order allocation
  2026-06-24 14:24 · 1 reply in 7d · Salvatore Dipietro <hidden>
• WARM1d [PATCH 0/3] ovl: make cachestat() work
  2026-06-23 11:15 · 1 reply in 7d · Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
• WARM3d [RFC PATCH] shmem: Use invalidate_lock instead of shmem_falloc
  2026-06-22 20:43 · 0 replies in 7d · "Matthew Wilcox (Oracle)" <willy@infradead.org>
• WARM1d [RFC PATCH] filemap: Remove file pinning during fault handling
  2026-06-22 19:21 · 0 replies in 7d · "Matthew Wilcox (Oracle)" <willy@infradead.org>

Active reviewers (last 30 days)

• Matthew Wilcox (Oracle) <willy@infradead.org>
  5 attestations (5 Suggested-by) · last on 2026-06-20
• kernel test robot <hidden>
  1 attestation (1 Reported-by) · last on 2026-06-19
• David Hildenbrand <david@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-06-17
• Jan Kara <jack@suse.cz>
  1 attestation (1 Reviewed-by) · last on 2026-06-01
• Kiryl Shutsemau (Meta) <kas@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-06-01

Recent patches

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

• WARM1d [PATCH] mm: do file ownership checks with the proper mount idmap
  2026-06-25 · Pedro Falcato <pfalcato@suse.de>
• WARM2d [PATCH v4] coredump: Add /proc/<pid>/coredump_pre_exit for pre-exit before dumping
  2026-06-24 · Xin Zhao <hidden>
• WARM2d Re: [PATCH 1/1] iomap: avoid compaction for costly folio order allocation
  2026-06-24 · Ritesh Harjani (IBM) <ritesh.list@gmail.com>
• WARM1d [PATCH 1/3] fs, mm: add ->cachestat() file operation
  2026-06-23 · Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
• WARM3d [RFC PATCH] shmem: Use invalidate_lock instead of shmem_falloc
  2026-06-22 · "Matthew Wilcox (Oracle)" <willy@infradead.org>
• WARM1d [RFC PATCH] filemap: Remove file pinning during fault handling
  2026-06-22 · "Matthew Wilcox (Oracle)" <willy@infradead.org>
• COOLING5d [PATCH 2/2] mm/filemap: reduce unnecessary xarray lookups in filemap_get_folios_contig()
  2026-06-20 · Chi Zhiling <hidden>
• COOLING5d [PATCH 1/2] mm/filemap: reduce unnecessary xarray lookups when read cached pages
  2026-06-20 · Chi Zhiling <hidden>
• WARM3d IN MM [PATCH mm-hotfixses] Revert "mm: limit filemap_fault readahead to VMA boundaries"
  2026-06-19 · Lorenzo Stoakes <ljs@kernel.org>
• COOLING4d [PATCH v2 10/11] hugetlb: drop vma_hugecache_offset() in favor of linear_page_index()
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 11/11] hugetlb: make hugetlb_[un]reserve_pages() to take PAGE granularity index
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 08/11] hugetlb: make hugetlb_add_to_page_cache() to take PAGE_SIZE granularity index
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 07/11] hugetlb: replace filemap_lock_hugetlb_folio with filemap_lock_folio
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 06/11] hugetlb: make hugetlb_fault_mutex_hash() to take PAGE_SIZE index
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 05/11] hugetlb: Convert the vmf->pgoff to PAGE_SIZE granularity
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 04/11] hugetlbfs,filemap: replace hugetlbfs_read_iter() with generic_file_read_iter()
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 03/11] mm/filemap: add hwpoison handling to filemap_read()
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 01/11] mm/memory-failure: make is_raw_hwpoison_page_in_hugepage() general purpose
  2026-06-17 · Jane Chu <hidden>
• COOLING4d [PATCH v2 02/11] mm: factor out adjust_range_hwpoison() from hugetlbfs
  2026-06-17 · Jane Chu <hidden>
• COOLING11d [PATCH v4 11/30] mm: Make readahead store folio count in readahead_control
  2026-06-16 · David Howells <dhowells@redhat.com>
• WARM3d [RFC PATCH v3 01/10] static kmem_cache instances for core caches: infrastructure
  2026-06-13 · Al Viro <viro@zeniv.linux.org.uk>
• WARM3d [RFC PATCH v3 03/10] allow preallocated kmem_cache instances in modules
  2026-06-13 · Al Viro <viro@zeniv.linux.org.uk>
• WARM3d [RFC PATCH v3 02/10] static kmem_cache instances for core caches: setup primitives
  2026-06-13 · Al Viro <viro@zeniv.linux.org.uk>
• WARM3d [PATCH v2 1/9] static kmem_cache instances for core caches
  2026-06-11 · Al Viro <viro@zeniv.linux.org.uk>
• WARM3d [PATCH v2 2/9] allow static-duration kmem_cache in modules
  2026-06-11 · Al Viro <viro@zeniv.linux.org.uk>
• COOLING10d [PATCH RFC 1/3] mm: split AS_UNMOVABLE back out of AS_INACCESSIBLE
  2026-06-11 · Shivank Garg <hidden>
• COLD16d Re: [fuse-devel] Debugging a stale kernel cache during file growth
  2026-06-11 · Miklos Szeredi <miklos@szeredi.hu>
• COLD15d [PATCH v2 2/4] mm: use get_i_mmap_root to access the file's i_mmap
  2026-06-11 · Huang Shijie <hidden>
• COLD15d [PATCH v2 3/4] mm/fs: split the file's i_mmap tree
  2026-06-11 · Huang Shijie <hidden>
• COLD15d [PATCH v2 1/4] mm: use mapping_mapped to simplify the code
  2026-06-11 · Huang Shijie <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.

• STALE150d REVIEWED: 1 (0M) [PATCH v9 02/13] mm/gup: drop secretmem optimization from gup_fast_folio_allowed
  2026-01-14 · Kalyazin, Nikita <hidden> · 1 Acked-by
• STALE159d REVIEWED: 2 (0M) [PATCH v2 2/2] mm/readahead: batch folio insertion to improve performance
  2026-01-19 · Zhiguo Zhou <hidden> · 2 Reviewed-by
• STALE156d REVIEWED: 9 (9M) [PATCH v2 03/31] tmpfs: add EXPORT_OP_STABLE_HANDLES flag to export operations
  2026-01-19 · Jeff Layton <jlayton@kernel.org> · 1 Reviewed-by
• STALE116d REVIEWED: 2 (2M) [PATCH v2] mm/huge_memory: fix a folio_split() race condition with folio_try_get()
  2026-03-02 · Zi Yan <ziy@nvidia.com> · 1 Tested-by
• STALE102d REVIEWED: 1 (0M) [RFC PATCH] mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()
  2026-03-13 · Baolin Wang <baolin.wang@linux.alibaba.com> · 1 Tested-by
• STALE75d REVIEWED: 7 (7M) [PATCH v4 21/21] mm: on remap assert that input range within the proposed VMA
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org> · 1 Reviewed-by
• COLD24d REVIEWED: 10 (10M) [PATCH v6 1/2] mm: bypass mmap_miss heuristic for VM_EXEC readahead
  2026-05-28 · Usama Arif <hidden> · 2 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.

• STALE207d Re: [PATCH v2] fs: hide names_cache behind runtime const machinery
  2025-12-02 · Al Viro <viro@zeniv.linux.org.uk>
• DORMANTno replies Re: [PATCH v2] fs: hide names_cache behind runtime const machinery
  2025-12-02 · Al Viro <viro@zeniv.linux.org.uk>
• DORMANTno replies [PATCH][RFC][slab] static kmem_cache instances for core caches
  2025-12-03 · Al Viro <viro@zeniv.linux.org.uk>
• COLD35d [PATCH v18 22/42] dept: track PG_locked with dept
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD35d [PATCH v18 27/42] dept: assign dept map to mmu notifier invalidation synchronization
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD35d [PATCH v18 40/42] dept: track PG_writeback with dept
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE151d Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-15 · Jinjiang Tu <hidden>
• STALE193d [RFC PATCH v3 28/59] simplify the callers of file_open_name()
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE170d [PATCH 4/4] mm: remove ARCH_NEEDS_KMAP_HIGH_GET
  2025-12-19 · Arnd Bergmann <arnd@kernel.org>
• STALE165d [PATCH v4 29/59] simplify the callers of file_open_name()
  2026-01-08 · Al Viro <viro@zeniv.linux.org.uk>