LKML News v6.0-rc2

[PATCH v14 00/14] Multi-Gen LRU Framework (Yu Zhao)

https://lkml.kernel.org/r/20220815071332.627393-1-yuzhao@google.com

Fourteenth version of MGLRU patch has rebased on the latest mm-unstable and posted again. This may be merged in the mm tree.

folio_map (Matthew Wilcox)

https://lkml.kernel.org/r/YvvdFrtiW33UOkGr@casper.infradead.org

Matthew explains his proposal on folio_map in detail and asks if others have better ideas.

[PATCH v3] mm: add thp_utilization metrics to debugfs (Alexander Zhu)

https://lkml.kernel.org/r/20220818000112.2722201-1-alexlzhu@fb.com

This patch adds debugfs file for tracking how THP is utilized well.

[PATCH v15 00/10] mm/demotion: Memory tiers and demotion (Aneesh Kumar K.V)

https://lkml.kernel.org/r/20220818131042.113280-1-aneesh.kumar@linux.ibm.com

Fifteenth version of the patchset for improving memory tier construction and demotion has posted.

Linux 6.0-rc2 (Linus Torvalds)

https://lkml.kernel.org/r/CAHk-=wj_XDfMiVXuo6A98KF4MsXxtyuMP_OtOGw87xnKERcfAg@mail.gmail.com

The second rc release is out. It’s small as other rc2 releases also usually are, but contains a fix for a virtio issue, which found during the merge window and disrupted some automated tests. Of course it contains fixes for more subsystems.

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 2020-08-22 | ~/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.