xarray · Supported

Maintainers

• M Matthew Wilcox <willy@infradead.org>

Paths

• F Documentation/core-api/idr.rst
• F Documentation/core-api/xarray.rst
• F include/linux/idr.h
• F include/linux/xarray.h
• F lib/idr.c
• F lib/test_xarray.c
• F lib/xarray.c
• F tools/testing/radix-tree

Last 30 days

Recent patches

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

• COLD15d Re: [PATCH] mm: khugepaged: free xarray nodes left behind by failed collapse_file()
  2026-06-16 · Matthew Wilcox <willy@infradead.org>
• STALE112d [PATCH v3 1/2] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix memory leak in ida_alloc_range() error path
  2026-03-12 · Josh Law <hidden>
• STALE112d [PATCH v2] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies IN LINUX-NEXT [PATCH v2] lib/idr: fix ida_find_first_range() missing IDs across chunk boundaries
  2026-03-06 · Josh Law <hidden>
• STALE118d [PATCH] lib/idr: fix ida_find_first_range() missing IDs across chunk boundaries
  2026-03-06 · Josh Law <hidden>
• STALE92d [RFC PATCH v3 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• STALE92d [RFC PATCH v3 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• DORMANTno replies [RFC PATCH v1 RESEND 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• STALE129d [RFC PATCH v1 RESEND 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• STALE143d [RFC PATCH v1 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-01-31 · Ackerley Tng <hidden>
• STALE143d [RFC PATCH v1 1/2] XArray tests: Fix check_split tests to store correctly
  2026-01-31 · Ackerley Tng <hidden>
• STALE154d [PATCH mm-new v5 2/5] mm: khugepaged: refine scan progress number
  2026-01-23 · Vernon Yang <hidden>
• STALE160d [RFC PATCH] mm/khugepaged: free empty xa_nodes when rollbacks in collapse_file
  2026-01-21 · Jinjiang Tu <hidden>
• STALE166d Re: [PATCH mm-new v4 2/6] mm: khugepaged: refine scan progress number
  2026-01-17 · Vernon Yang <hidden>
• STALE177d Re: [bug report] memory leak of xa_node in collapse_file() when rollbacks
  2025-12-18 · Jinjiang Tu <hidden>
• STALE156d Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-15 · Jinjiang Tu <hidden>
• STALE156d REVIEWED: 15 (15M) Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-05 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE156d [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-04 · Shardul Bankar <hidden>
• STALE210d [PATCH v3] lib: xarray: free unused spare node in xas_create_range()
  2025-12-01 · Shardul Bankar <hidden>
• STALE216d [RFC PATCH 1/1] idr: do not create idr if new id would be outside given range
  2025-11-27 · Jan Sokolowski <hidden>
• STALE211d [PATCH 1/3] idr: add idr_prealloc_many
  2025-11-23 · Mateusz Guzik <hidden>
• STALE206d [RFC PATCH 4/4] XArray: test: Increase split order test range in check_split()
  2025-11-17 · Ackerley Tng <hidden>
• STALE206d [RFC PATCH 3/4] XArray: Support splitting for arbitrarily large entries
  2025-11-17 · Ackerley Tng <hidden>
• STALE206d [RFC PATCH 2/4] XArray: Update xas_split_alloc() to allocate enough nodes to split large entries
  2025-11-17 · Ackerley Tng <hidden>
• STALE206d [RFC PATCH 1/4] XArray: Initialize nodes while splitting instead of while allocating
  2025-11-17 · Ackerley Tng <hidden>
• DORMANTno replies [PATCH] xarray: Remove redundant __GFP_NOWARN
  2025-08-04 · Qianfeng Rong <hidden>
• STALE337d [PATCH] idr: Fix the kernel-doc for idr_is_empty()
  2025-07-30 · Manivannan Sadhasivam <hidden>
• STALE353d [PATCH v3 2/3] ida: Remove the ida_simple_xxx() API
  2025-07-14 · Christophe JAILLET <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.

• STALE156d Re: [PATCH v4] lib: xarray: free unused spare node in xas_create_range()
  2025-12-15 · Jinjiang Tu <hidden>
• STALE143d [RFC PATCH v1 1/2] XArray tests: Fix check_split tests to store correctly
  2026-01-31 · Ackerley Tng <hidden>
• STALE143d [RFC PATCH v1 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-01-31 · Ackerley Tng <hidden>
• STALE129d [RFC PATCH v1 RESEND 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• DORMANTno replies [RFC PATCH v1 RESEND 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• STALE92d [RFC PATCH v3 1/2] XArray tests: Fix check_split tests to store correctly
  2026-02-23 · Ackerley Tng <hidden>
• STALE92d [RFC PATCH v3 2/2] XArray tests: Verify xa_erase behavior in check_split
  2026-02-23 · Ackerley Tng <hidden>
• DORMANTno replies IN LINUX-NEXT [PATCH v2] lib/idr: fix ida_find_first_range() missing IDs across chunk boundaries
  2026-03-06 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix infinite loop in idr_get_next()
  2026-03-12 · Josh Law <hidden>
• DORMANTno replies [PATCH] lib/idr: fix memory leak in ida_alloc_range() error path
  2026-03-12 · Josh Law <hidden>