LKML News v6.7-rc8

[PATCH] kernel: Introduce a write lock/unlock wrapper for tasklist_lock (Maria Yu)

https://lkml.kernel.org/r/20231225081932.17752-1-quic_aiquny@quicinc.com

A patch introducing a write lock/unlock wrapper for tasklist_lock, to overcome bad responsive performance of system that coming from scenarios that acquiring read lock which wrote lock needed to be waiting for.

[PATCH v3 00/10] IOMMU memory observability (Pasha Tatashin)

https://lkml.kernel.org/r/20231226200205.562565-1-pasha.tatashin@soleen.com

Third version of patchset to allow monitoring and limiting IOMMU memory usage is posted.

[GIT PULL] hotfixes for 6.7 (Andrew Morton)

https://lkml.kernel.org/r/20231227150354.9437b5c792000b8eb22758e9@linux-foundation.org

Andrew sent yet another hotfixes for v6.7 to Linus Torvalds.

[PATCH RFC 00/12] x86 NUMA-aware kernel replication (Artem Kuzin)

https://lkml.kernel.org/r/20231228131056.602411-1-artem.kuzin@huawei.com

An RFC patchset for initial support of kernel text/rodata NUMA-aware replication on x86_64 has posted.

[PATCH] mm: ratelimit stat flush from workingset shrinker (Shakeel Butt)

https://lkml.kernel.org/r/20231228073055.4046430-1-shakeelb@google.com

Shakeel found a regression due to rstat flush from count_shadow_nodes(), and suggesting rate limiting it.

Linux 6.7-rc8 (Linus Torvalds)

https://lkml.kernel.org/r/CAHk-=whbyHgacqfOJ0VU_GxB-p=Cz+xsQ6XWrAEx=gT_QO9ERg@mail.gmail.com

As announced before, Linus made the eighth release candidate for v6.7 with nearly nothing changes.

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 2022-01-01 | ~/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 -rc8 releases in the last two years.