LKML News v6.15-rc5

Linux 6.15-rc5 (Linus Torvalds)

https://lore.kernel.org/CAHk-=wgjwfsyPf3SfjrPhAMJqN6brBpajQ3F9qp_TatwOs56YQ@mail.gmail.com

Linus released the fifth candidate for Linux 6.15. It is larger than the usual, but still in normal range. The big size was mainly due to selftest changes.

[PATCH v3] mm: Add CONFIG_PAGE_BLOCK_ORDER to select page block order (Juan Yescas)

https://lore.kernel.org/20250506002319.513795-1-jyescas@google.com

As a followup of the LSFMMBPF discussion, Juan posted a patch for the CMA alignment requirements issue on large page size configuration.

[RFC PATCH 0/9] Intel RAR TLB invalidation (Rik van Riel)

https://lore.kernel.org/20250506003811.92405-1-riel@surriel.com

Rick posted an RFC patch series for reducing IPI for TLB invaludations on Intel machines using its RAR feature.