memory allocation profiling · Maintained

Maintainers

• M Suren Baghdasaryan <surenb@google.com>
• M Kent Overstreet <kent.overstreet@linux.dev>
• R Hao Ge <hao.ge@linux.dev>

Paths

• F Documentation/mm/allocation-profiling.rst
• F include/linux/alloc_tag.h
• F include/linux/pgalloc_tag.h
• F lib/alloc_tag.c

Last 30 days

Recent patches

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

• DORMANTno replies Re: Linux 7.0.4
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE63d Re: Linux 6.18.27
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm/alloc_tag: clear codetag for pages allocated before" failed to apply to 6.12-stable tree
  2026-05-01 · <gregkh@linuxfoundation.org>
• STALE99d LANDED [PATCH v4] mm/alloc_tag: clear codetag for pages allocated before page_ext initialization
  2026-03-31 · Hao Ge <hao.ge@linux.dev>
• STALE103d [PATCH] mm/alloc_tag: clear codetag for pages allocated before page_ext initialization
  2026-03-27 · Hao Ge <hao.ge@linux.dev>
• STALE173d REVIEWED: 1 (1M) [PATCH v2 1/1] Docs/mm/allocation-profiling: describe sysctrl limitations in debug mode
  2026-01-16 · Suren Baghdasaryan <surenb@google.com>
• STALE173d [PATCH 1/1] Docs/mm/allocation-profiling: describe sysctrl limitations in debug mode
  2026-01-15 · Suren Baghdasaryan <surenb@google.com>
• STALE356d Re: Linux 6.15.7
  2025-07-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE356d Re: Linux 6.12.39
  2025-07-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE375d Re: Linux 6.15.4
  2025-06-27 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE374d [PATCH v3] lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
  2025-06-24 · Harry Yoo <hidden>
• STALE380d [PATCH v2] lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
  2025-06-20 · Harry Yoo <hidden>
• DORMANTno replies Re: Linux 6.14.9
  2025-05-29 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE413d [PATCH 1/1] alloc_tag: handle module codetag load errors as module load failures
  2025-05-21 · Suren Baghdasaryan <surenb@google.com>
• DORMANTno replies Re: Linux 6.14.4
  2025-04-25 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE516d Re: Linux 6.13.2
  2025-02-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE331d [PATCH 6.13 482/623] alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled
  2025-02-05 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies FAILED: patch "[PATCH] alloc_tag: skip pgalloc_tag_swap if profiling is disabled" failed to apply to 6.12-stable tree
  2025-01-20 · <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.7
  2024-12-27 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE540d [PATCH 2/2] alloc_tag: skip pgalloc_tag_swap if profiling is disabled
  2024-12-26 · Suren Baghdasaryan <surenb@google.com>
• STALE540d [PATCH 1/2] alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled
  2024-12-26 · Suren Baghdasaryan <surenb@google.com>
• STALE626d REVIEWED: 7 (7M) [PATCH 6.11.y v2 3/3] mm/codetag: add pgalloc_tag_copy()
  2024-10-18 · chrisl@kernel.org
• STALE626d REVIEWED: 7 (7M) [PATCH 6.11.y v2 2/3] mm/codetag: fix pgalloc_tag_split()
  2024-10-18 · chrisl@kernel.org
• STALE629d REVIEWED: 7 (7M) [PATCH 6.10.y 2/3] mm/codetag: fix pgalloc_tag_split()
  2024-10-17 · chrisl@kernel.org
• STALE629d REVIEWED: 7 (7M) [PATCH 6.10.y 3/3] mm/codetag: add pgalloc_tag_copy()
  2024-10-17 · chrisl@kernel.org
• STALE628d REVIEWED: 7 (7M) [PATCH 6.11.y 2/3] mm/codetag: fix pgalloc_tag_split()
  2024-10-17 · chrisl@kernel.org
• STALE628d REVIEWED: 7 (7M) [PATCH 6.11.y 3/3] mm/codetag: add pgalloc_tag_copy()
  2024-10-17 · chrisl@kernel.org
• DORMANTno replies REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm/codetag: add pgalloc_tag_copy()" failed to apply to 6.10-stable tree
  2024-10-02 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm/codetag: add pgalloc_tag_copy()" failed to apply to 6.11-stable tree
  2024-10-02 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 7 (7M) FAILED: patch "[PATCH] mm/codetag: fix pgalloc_tag_split()" failed to apply to 6.10-stable tree
  2024-10-02 · <gregkh@linuxfoundation.org>

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.

• STALE63d Re: Linux 6.18.27
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 7.0.4
  2026-05-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>