[PATCH v3 0/4] Smart scanning mode for KSM (Stefan Roesch) https://lkml.kernel.org/r/20230926040939.516161-1-shr@devkernel.io
KSM scans pages without historic information, so pages that already found to be not eligible for deduplication are scanned unnecessarily. This patchset introduces smart scanning for KSM, which utilizes the historic information.
[PATCH -V2 00/10] mm: PCP high auto-tuning (Huang Ying) https://lkml.kernel.org/r/20230926060911.266511-1-ying.huang@intel.com
This patchset implements auto-tuning of Per-CPU Pageset high to optimize page allocation performance.
[PATCH rfc 0/5] mm: improve performance of kernel memory accounting (Roman Gushchin) https://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.
[RFC PATCH 0/3] Reduce NUMA balance caused TLB-shootdowns in a VM (Yan Zhao) https://lkml.kernel.org/r/20230808071329.19995-1-yan.y.zhao@intel.com
For virtual machines having assigned devices or VFIO mediated devices, all or part of its memory are pinned for long-term. Auto NUMA balancing can cause unnecessary TLB-shootdowns. This RFC patchset proposes a solution for that.
[PATCH v2] cma: introduce CMA_ALLOC_DEBUG config (Bibek Kumar Patro) https://lkml.kernel.org/r/20230809131640.18791-1-quic_bibekkum@quicinc.com
CONFIG_CMA_DEBUG makes all CMA debugging message enabled. This can results in flooding the dmesg buffer.
[PATCH] MAINTAINERS: Add maple tree mailing list (Liam R. Howlett) https://lkml.kernel.org/r/20230731175542.1653200-1-Liam.Howlett@oracle.com
Maple tree has its own development mailing list at infradead.org. This patch adds it on the MAINTAINERS file.
Maple Tree Work 2023/08 (Laim R. Howlett) https://lkml.kernel.org/r/20230801194820.alch3ot7pvrgig5v@revolver
Liam shares monthlee update of maple tree work progress and todo for avoid conflict.
[RFC PATCH 0/2] vmrd: dynamic guest VM memory resizing daemon (Sudarshan Rajagopalan) https://lkml.kernel.org/r/cover.1690836010.git.quic_sudaraja@quicinc.com
Sudarshan posted an RFC for dynamic guest VM memory resizing based on the guest’s memory demand.
[PATCH v5 0/7] Add support for memmap on memory feature on ppc64 (Aneesh Kumar K.V) https://lkml.kernel.org/r/20230725100212.531277-1-aneesh.kumar@linux.ibm.com
Aneesh continues adding support of memmap_on_memory for more architectures.
[PATCH mm-unstable v7 00/31] Split ptdesc from struct page (Vishal Moola) https://lkml.kernel.org/r/20230725042051.36691-1-vishal.moola@gmail.com
The seventh revision of the patchset for splitting page table tracking information out of struct page for making it smaller.
[PATCH v3 00/49] use refcount+RCU method to implement lockless slab shrink (Qi Zheng) https://lkml.
[PATCH v4 0/6] Add support for memmap on memory feature on ppc64 (Aneesh Kumar K.V) https://lkml.kernel.org/r/20230718024409.95742-1-aneesh.kumar@linux.ibm.com
The fourth version of the patchset for support of memmap on memory on ppc64 has posted.
[GIT PULL] hotfixes for 6.5-rc2 (Andrew Morton) https://lkml.kernel.org/r/20230718123131.5ec065527c2127a568e5754c@linux-foundation.org
Andrew sent mm subsystem hotfixes for 6.5 rc2 to Linus.
[PATCH v2 0/5] Invalidate secondary IOMMU TLB on permission upgrade (Alistair Popple) https://lkml.kernel.org/r/cover.de78568883814904b78add6317c263bf5bc20234.1689768831.git-series.apopple@nvidia.com
This patch moves secondary TLB invcalidation mmu notifier callbacks to architecture specific TLB flushing functions.