LKML News v6.10-rc7

[RFC PATCH 0/4] Introduce PMC(PER-MEMCG-CACHE) (Huan Yang)

https://lore.kernel.org/20240702084423.1717904-1-link@vivo.com

Huan posted an RFC for per-memcg-cache, which is for utilizing per-memcg cache of certain rules. The goal is allowing memory that released by an application be allocated with high priority within the application, to improve locality and performance while avoiding unnecessary memory reclamation.

[PATCH] mm: remove CONFIG_MEMCG_KMEM (Johannes Weiner)

https://lore.kernel.org/20240701153148.452230-1-hannes@cmpxchg.org

Since CONFIG_MEMCG_KMEM was default-enabled and equivalent to CONFIG_MEMCG for almost a decade, Johannes tries to remove the config option.

[syzbot] Monthly mm report (Jul 2024) (syzbot)

https://lore.kernel.org/000000000000608993061c2d0e8a@google.com

Syzbot found 5 new issues in last month. No issue among those has fixed so far.

[PATCH v2] slab, rust: extend kmalloc() alignment guarantees to remove Rust padding (Vlastimil Babka)

https://lore.kernel.org/20240703072520.45837-2-vbabka@suse.cz

Vlastimil posted a patch for extending alignment guarantee of kmalloc() for non-power-of-two size case to make Rust’ allocator API more flexible and efficient when slab debugging is active.

[PATCH 0/7] Make core VMA operations internal and testable (Lorenzo Stoakes)

https://lore.kernel.org/cover.1720006125.git.lorenzo.stoakes@oracle.com

Lorenzo sent a patch series for making vma operation code more moduled and testable.

[GIT PULL] hotfixes for 6.10-rc7 (Andrew Morton)

https://lore.kernel.org/20240703222728.d5ef62a48ebf19260832ee73@linux-foundation.org

Andrew posted a pull request for hotfixes to Linus Torvalds, aiming to be mergfed in 6.10-rc7.

[PATCH v2 0/2] Introduce tracepoint for hugetlbfs (Hongbo Li)

https://lore.kernel.org/20240704030704.2289667-1-lihongbo22@huawei.com

Hongbo sent the second version of the patchset for adding hugetlbfs tracepoints.

[PATCH 00/45] hugetlb pagewalk unification (Oscar Salvador)

https://lore.kernel.org/20240704043132.28501-1-osalvador@suse.de

Based on the LSFMM session that led by Peter Xu, Oscar wrote this RFC patch series for unifying the page table walk for both hugetlb and generic.

Tools for explaining memory mappings/usage/pressure (David Rientjes)

https://lore.kernel.org/29c27dab-a590-5df2-c840-279bf9dff090@google.com

David shares Google’s recent usage of some hacky scripts for understanding memory behavior, and asks if there are open source tools that can be used instead.

Linux 6.10-rc7 (Linus Torvalds)

https://lore.kernel.org/CAHk-=wjv_HoF-5Y5QuNqMfiumwMyNZt63ajO44uKce4dWOeU8Q@mail.gmail.com

Linus Torvalds released the seventh release candidate for Linux 6.10. Linus says things remain calm, though it might be due to the US holiday and Europe vacation season start.