[LSFMM] automating measuring memory fragmentation (Luis Chamberlain) https://lore.kernel.org/ZkUOXQvVjXP1T6Nk@bombadil.infradead.org
Luis suggested yet another LSFMM session for memory fragmentation measurement aiming to be used to understand how bad the current kernel’s defragmentation approach is, and how much improvement some new proposal is making.
page-flags.rst (Matthew Wilcox) https://lore.kernel.org/ZkOu4yXP-sGGtwc4@casper.infradead.org
Matthew posted the page-flags documentation that he wrote with LSFMM attendees on his session.
[GIT PULL] MM updates for 6.10-rc1 (Andrew Morton) https://lore.kernel.org/20240517192239.9285edd85f8ef893bb508a61@linux-foundation.org
Andrew sent the memory management part pull request for 6.
I will present and discuss about the current status and future plans of DAMON in Linux Storage/File System/Memory Management/BPF (LSFMM+BPF) 2024. The title of the talks is “DAMON updates and Plans: Automation of DAMON tuning, tiering, and VM guest scaling”.
https://docs.google.com/spreadsheets/d/176LXLys9Uh6A-Eal2flrzcbUSJMUXGkGwyihr9jAAaQ/edit#gid=0
[LSF/MM/BPF TOPIC] Locally attached memory tiering (David Rientjes) https://lore.kernel.org/e90dc785-c4e6-47e4-8eda-d35325c82ff9@google.com
David suggests a new LSFMM topic for local-attached memory tiering.
[LSF/MM/BPF TOPIC] CXL Development Discussions (Adam Manzanares) https://lore.kernel.org/9bf86b97-319f-4f58-b658-1fe3ed0b1993@nmtadam.samsung
Adam suggests a new LSFMM topic for general CXL development.
kdevops BoF at LSFMM (Luis Chamberlain) https://lore.kernel.org/CAB=NE6XyLS1TaAcgzSWa=1pgezRjFoy8nuVtSWSfB8Qsdsx_xQ@mail.gmail.com
Luis suggests to have a time slot for sharing ongoing developments and changes for kdevops, which automates complex kernel development workflows.
[RFC PATCH 0/2] introduce budgt control in readahead (Zhaoyang Huang) https://lore.
[PATCH] thp: Remove HPAGE_PMD_ORDER minimum assertion (Matthew Wilcox) https://lkml.kernel.org/r/20240429190114.3126789-1-willy@infradead.org
Willy removes the assumption that THP order is always two or more, since we now handle order-1 folios correctly.
[LSF/MM/BPF TOPIC] SLUB: what’s next? (Vlastimil Babka) https://lkml.kernel.org/r/b929d5fb-8e88-4f23-8ec7-6bdaf61f84f9@suse.cz
Vlastimil proposes an LSFMM session to retrospect the SLAB deprecation, share ongoing works, and discuss possible future works for reducing similar allocators such as objpool or mempool.
[LSF/MM/BPF TOPIC] Maple Tree Proposed Features (Liam R.
[RFC PATCH 0/5] add mTHP support for anonymous share pages (Baolin Wang) https://lkml.kernel.org/r/cover.1713755580.git.baolin.wang@linux.alibaba.com
Baolin adds mTHP support for anonymous shared pages with this RFC patchset. There are some todo items, though.
[LSF/MM/BPF TOPIC] SLAB BOF (Matthew Wilcox) https://lkml.kernel.org/r/ZiZy2VVpTQMjN-ko@casper.infradead.org
In this mail, Matthew introduces his radical idea around Slab allocator, which decouples the objects from the page and proposes a BoF to discuss it with not only Vlastimil but more audiences.
[RFC 0/3] Improve memory statistics for virtio balloon (zhenwei pi) https://lkml.kernel.org/r/20240415084113.1203428-1-pizhenwei@bytedance.com
This RFC patchset exposes six new VM statistics in the guest to the host via virtio-balloon. The statistics include oom-kill, alloc-stall, scan-async, scan-direct, reclaim-async, and reclaim-direct.
[PATCH] Documentation: coding-style: don’t encourage WARN*() (Alex Elder) https://lkml.kernel.org/r/20240414170850.148122-1-elder@linaro.org
Due to the panic_on_warn setting, even WARN() and its friends are not that welcomed in multiple situations. Alex posted a patchset to make this point clearer.
[PATCH v4 0/9] transfer page to folio in KSM (Alex Shi) https://lkml.kernel.org/r/20240409092826.1733637-1-alexs@kernel.org
Alex sent the first patchset for making KSM uses folios.
[PATCH] tracing: Add new_exec tracepoint (Marco Elver) https://lkml.kernel.org/r/20240408090205.3714934-1-elver@google.com
Marco sent a patch for adding a new tracepoint. The tracepoint is for tracing a case where new exec starts while having original state including the mm.
Announcing Community Engagement Working Group (Nikolai Kondrashov) https://lkml.kernel.org/r/bf81be70-61ec-4169-b66a-5c3136869107@gmail.com/
KernelCI project announces Community Engagement Working Group which will purpose to connect with kernel maintainers and discuss test quality improvement for their subsystems.
[PATCH v3 0/7] mm/kvm: Improve parallelism for access bit harvesting (James Houghton) https://lkml.kernel.org/r/20240401232946.1837665-1-jthoughton@google.com
James posted the third version of the patchset for adding KVM’s test-and-clear-access-bits fast path that doesn’t take mmu_lock. It is RFC because the author wants to do more performance tests, and unusre if the arm64 part is correct.
[PATCH] mm, mmap: remove vma_merge() (Vlastimil Babka) https://lkml.kernel.org/r/20240401192623.18575-2-vbabka@suse.cz
After the successful removal of SLAB, Vlastimil suggests to remove vma_merge(). But the patch has sent on 2024-04-01 :)
[PATCH 0/2] support multi-size THP numa balancing (Baolin Wang) https://lkml.kernel.org/r/cover.1711453317.git.baolin.wang@linux.alibaba.com
Baolin posted a patchset for making NUMA balancing algorithm for multi-sized THP (mTHP) to follow the THP strategy as the basic support.
[PATCH v2 0/6] Improve visibility of writeback (Kemeng Shi) https://lkml.kernel.org/r/20240327155751.3536-1-shikemeng@huaweicloud.com
Kemeng posted a patchset that adds two new debugfs file, bdi/xxx/stats and bdi/xxx/wb_stats to show whole bdi and per-wb writeback information.
[PATCH v10] zswap: replace RB tree with xarray (Chris Li) https://lkml.
[GIT PULL] slab updates for 6.9 (Vlastimil Babka) https://lkml.kernel.org/r/c021631d-29e5-432f-bfcd-1d75ec28d065@suse.cz
Vlastimil sent the slab pull request for 6.9 to Linus Torvalds.
[PATCH v4 0/6] Swap-out mTHP without splitting (Ryan Roberts) https://lkml.kernel.org/r/20240311150058.1122862-1-ryan.roberts@arm.com
Ryan sent the fourth version of the patchset to swap-out multi-sized THP without splitting first. The approach is similar to that for PMD-sized THP.
[PATCH] vmstat: Keep count of the maximum page reached by the kernel stack (Pasha Tatashin) https://lkml.kernel.org/r/20240313033417.447216-1-pasha.tatashin@soleen.com