LKML News v6.11-rc3

[PATCH 00/10] mm: remove vma_merge() (Lorenzo Stoakes)

https://lore.kernel.org/cover.1722849859.git.lorenzo.stoakes@oracle.com

Lorenzo posted a patchset for removing the infamous vma_merge(), which caused too much complexity, and the prior attempt remove it was failed.

[RFC PATCH 0/4] mm/arm64: re-enable HVO (Yu Zhao)

https://lore.kernel.org/20240806022114.3320543-1-yuzhao@google.com

Yu sent an RFC patchset for re-enabling HugeTLB Vmemmap Optimization on arm64.

[PATCH 00/10] Introduce guestmemfs: persistent in-memory filesystem (James Gowans)

https://lore.kernel.org/20240805093245.889357-1-jgowans@amazon.com

James Gowans posted a patch series for a new in-memory filesystem that designed for live update.

[PATCH RFC 0/4] mm: Introduce guest_memfd library (Elliot Berman)

https://lore.kernel.org/20240805-guest-memfd-lib-v1-0-e5a29a4ff5d7@quicinc.com

Elliot posted an RFC patchset that introduces a library abstracting guest_memfd folio handling core-mm mechanisms.

[PATCH 1/2] maple_tree: add test to replicate low memory race conditions (Sidharta Kumar)

https://lore.kernel.org/20240808163000.25053-1-sidhartha.kumar@oracle.com

Sidarthat sent a patch for adding a callback field to the user space implementation of struct kmem_cache for testing low memory scenarios.

[RFC][PATCH 0/5] slab: Allocate and use per-call-site caches (Kees Cook)

https://lore.kernel.org/20240809072532.work.266-kees@kernel.org

Kees shares his implementation of a defence against heap-grooming attacks that construct malicous objects in the same cache as a target object. The implementation uses the code taggign and memory allocation tagging infrastructure to make per-call-site kmalloc.

Linux 6.11-rc3 (Linus Torvalds)

https://lore.kernel.org/CAHk-=wj7_w1E0kMiUeskhBRrcCz3bejjegteGmM6-TES8bQURg@mail.gmail.com

After the one week, Linus again released the third candidate for Linux v6.11. He summarizes the week as nothing particularly strange or interesting going on.