LKML News v5.18-rc4

LSF/MM/BPF 2022: Running BOF (Matthew Wilcox)

https://lkml.kernel.org/r/Yl7TUDtLcrhXcp1g@casper.infradead.org

Matthew is proposing a running BOF, which would do discussions while running after a breakfast.

mmotm 2022-04-20-17-12 uploaded (Andrew Morton)

https://lkml.kernel.org/r/20220421001235.5F4E0C385A0@smtp.kernel.org

-mm tree has updated. It’s rebased on 5.18-rc3, added 69 patches modified 126 patches, and dropped 35 patches. In total, 291 patches in the queue.

[PATCH v2] mm: make minimum slab alignment a runtime property (Peter Collingbourne)

https://lkml.kernel.org/r/20220421211549.3884453-1-pcc@google.com

This makes slab alignment a runtime property and only align to 16 if KASAN is enabled at runtime.

[PATCH v4 0/4] memcg: introduce per-memcg proactive reclaim (Yosry Ahmed)

https://lkml.kernel.org/r/20220421234426.3494842-1-yosryahmed@google.com

This patch introduces a new memcg file, memory.reclaim. The file will allow users request kernel to reclaim a fixed amount of pages.

[PATCH v3 0/7] mm: demotion: Introduce new node state N_DEMOTION_TARGETS (Jagdish Gediya)

https://lkml.kernel.org/r/20220422195516.10769-1-jvgediya@linux.ibm.com

The third version of the patchset for introducing new node state for making better NUMA-demotion decision.

[PATCH v2 0/7] mm: introduce shrinker debugfs interface (Roman Gushchin)

https://lkml.kernel.org/r/20220422202644.799732-1-roman.gushchin@linux.dev

The second version of the patchset for adding debugfs interface for better understanding and debugging of the memory shrinkers.

Linux 5.18-rc4 (Linus Torvalds)

https://lkml.kernel.org/r/CAHk-=whmtHMzjaVUF9bS+7vE_rrRctcCTvsAeB8fuLYcyYLN-g@mail.gmail.com

Fourth week for v5.18 has passed normal and calm, so we are having the 4th release candidate.

Below is the diffstat of the releases in the last two years.

Note that the y-axis is in logarithm. I draw it using https://github.com/sjp38/relstat and https://github.com/sjp38/lazybox using below command:

$ relstat.py --since 2020-04-25 | ~/lazybox/gnuplot/plot.py \
    --data_fmt table --type labeled-lines --xtics_rotate -90 \
    --font "Times New Roman, 5pt" --ylog --pointsize 0.3

And, below is the diffstat of the -rc2 releases in the last two years.