Lkml

[Invitation] Linux MM Alignment Session on APIs for Sparse Mappings on Wednesday (David Rientjes) https://lkml.kernel.org/r/fba78307-e4a3-2621-2917-464f19bb4c57@google.com David is organizing yet another Linux MM alignment session for proper API for sparse mappings. [PATCH v2] vmscan: add trace events for lru_gen (Jaewon Kim) https://lkml.kernel.org/r/20230921062206.14429-1-jaewon31.kim@samsung.com This patch adds two new tracevents called trace_mm_vmscan_lru_gen_scan and trace_mm_vmscan_lru_gen_evict that similar to trace_mm_vmscan_lru_isolate and trace_mm_vmscan_lru_shrink_[in]active. [PATCH v3 00/15] futex: More futex2 bits (Peter Zijlstra) https://lkml.kernel.org/r/20230921104505.717750284@noisy.programming.kicks-ass.net Peter sent third version of the patchset that introduces a new interface for same futex core, futex2....

[syzbot] Monthly mm report (Sep 2023) https://lkml.kernel.org/r/000000000000c06b600605127cb3@google.com Syzbot posted its mm subsystem report for last 31 days. For the period, seven new issues were found and two among those were fixed. In total, 43/232 issues are still open. [PATCH 0/2] workload-specific and memory pressure-driven zswap writeback (Nhat Pham) https://lkml.kernel.org/r/20230911164024.2541401-1-nphamcs@gmail.com Zswap has only single LRU list and shrinks under user-defined limit. This patch series seperates the LRU list out to per-memcg and per-NUMA, and perform workload-specific writeback under memory pressure....

[GIT PULL] MM updates for 6.6-rc1 (Andrew Morton) https://lkml.kernel.org/r/20230828184251.bfbc164280503903eacf498c@linux-foundation.org Andrew sent the mm subsystem pull request for v6.6-rc1 to Linus Torvalds. And, it pulled. [PATCH 1/2] mm/vmalloc: Add a safer version of find_vm_area() for debug (Joel Fernendes) https://lkml.kernel.org/r/20230830110402.386898-1-joel@joelfernandes.org A patchset implementing safe trylock version of vmalloc dump function. [PATCH v2 0/6] Introduce __mt_dup() to improve the performance of fork() (Peng Zhang) https://lkml.kernel.org/r/20230830125654.21257-1-zhangpeng.00@bytedance.com When doing fork(), vma of the parent should be inserted into the maple tree of the child....

[PATCH] maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64 (Mateusz Guzik) https://lkml.kernel.org/r/20230821225145.2169848-1-mjguzik@gmail.com This patchset moves ma_root field to be placed after ma_flags to plug a padding hole of struct mape_tree, to reduce the size of the struct. idea for scalable and almost waste-free percpu counter alloc (was: Re: [PATCH 0/2] execve scalability issues, part 1) (Mateusz Guzik) https://lkml.kernel.org/r/CAGudoHH-b5R+COHUtns92NTzSVeT1ECMHb22SEcH_108Pi0FTQ@mail.gmail.com Mateusz is suggesting another idea for scalable and almost-waste-free percpu counter alloc....

[MAINTAINERS SUMMIT] Handling of embargoed security issues – security@korg vs. linux-distros@ (Jiri Kosina) https://lkml.kernel.org/r/nycvar.YFH.7.76.2308150927190.14207@cbobk.fhfr.pm Yet another maintainers summit agenda proposal about security issue handling has posted. There are securitiy@korg and linux-distros@. The kernel community wants to do handling of the security fixes from only security@, without being bothered by linux-distros@. Jiri proposes to discuss about if it could eventually better handled with linux-distros@. Maintainers Summit 2023 Call for Topics (Theodore Ts’o) https://lkml....