Posts

[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....