[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
[RFC 01/16] mm/hmm: let users to tag specific PFNs (Leon Romanovksy) https://lkml.kernel.org/r/a77609c9c9a09214e38b04133e44eee67fe50ab0.1709631413.git.leon@kernel.org
This RFC patchset introduces new flag that allows users to tag specific PFNs with extra data.
[PATCH V3 01/10] mm: page_alloc: freelist migratetype hygiene (Johannes Weiner) https://lkml.kernel.org/r/20240306041526.892167-1-hannes@cmpxchg.org
Whne pages of one migratetype end up on the freelists on another type, migratetype violations happen. This third version of patchset fixes it.
[PATCH 0/8] tracing: Persistent traces across a reboot or crash (Steven Rostedt) https://lkml.
[PATCH 1/1] mm/madvise: enhance lazyfreeing with mTHP in madvise_free (Lance Yang) https://lkml.kernel.org/r/20240225123215.86503-1-ioworker0@gmail.com
Lance improves madvise_free_pte_range() to handle large folios that smaller than PMD-size and optimizes lazy-free of PTE-mapped smaller than PMD-size THPs using this patch.
[RFC PATCH] mm: Add reclaim type to memory.reclaim (Yafang Shao) https://lkml.kernel.org/r/20240225114204.50459-1-laoar.shao@gmail.com
This RFC patch extends memory.reclaim memcg file to receive type of memory to reclaim. It supports pagecache only, slabs only, and both.
[LSF/MM/BPF TOPIC] mm/mempolicy extentions for heterogeneous memory systems (Gregory Price) https://lkml.
[PATCH V2 0/2] Introduce slabinfo version 2.2 (Fangzheng Zhang) https://lkml.kernel.org/r/20240219031911.10372-1-fangzheng.zhang@unisoc.com
This patchset updates slabinfo to version 2.2 and adds slabreclaim column for recording whether each slab pool is reclaim type.
[RFC PATCH 0/3] make the hugetlb migration strategy consistent (Baolin Wang) https://lkml.kernel.org/r/cover.1708507022.git.baolin.wang@linux.alibaba.com
Falling back to other NUMA nodes when migrating freed hugetlb is prevented while it is allowed for in-use hugetlb. This patchset make it more clear and consistent.
[Invitation] Linux MM Alignment Session on Cold Page Detection on Wednesday (David Rientjes) https://lkml.