[GIT PULL] MM updates for 6.5-rc1 (Andrew Morton) https://lkml.kernel.org/r/20230626085035.e66992e96b4c6d37dad54bd9@linux-foundation.org
Andrew Morton sent the memory management subsystem pull request for v6.5-rc1. Among the change, cachestata() syscall and Mel Gorman’s compaction optimization looks interesting to me.
[GIT PULL] slab updates for 6.5 (Vlastimil Babka) https://lkml.kernel.org/r/1c39c9b0-ec37-f910-2b09-cedf7acf6e91@suse.cz
Vlastimil sent the slab pull request for v6.5 to Linus Torvalds. This contains the SLAB config deprecation renaming (s/CONFIG_SLAB/CONFIG_SLAB_DEPRECATED/).
[PATCH v1 0/5] mm/memory_hotplug: make offline_and_remove_memory() timeout instead of failing on fatal signals (David Hildenbrand) https://lkml.
[PATCH] mm/memory_hotplug.c: don’t fail hot unplug quite so eagerly (John Hubbard) https://lkml.kernel.org/r/20230620011719.155379-1-jhubbard@nvidia.com
Some device drivers add and remove memory to the system via memory hot [un]plog. Nevertheless, the ungplugging could fail easily, especially for the pending signal on the process. This patch simply remove the signal check error.
[PATCH v2] mm/min_free_kbytes: modify min_free_kbytes calculation rules (liuq) https://lkml.kernel.org/r/20230621073912.21747-1-liuq131@chinatelecom.cn
This patch adjusts min_free_kbytes calculation so that ZONE_NORMAL is unnecessarily be too small when ZONE_MOVABLE exists.
[GIT PULL] hotfixes for 6.4-rc7 (Andrew Morton) https://lkml.kernel.org/r/20230612122712.f495e24b80f88f58557ea470@linux-foundation.org
Andrew sent hot fixes pull request to Linus Torvalds. The one for DAMON is also contained.
[PATCH stable 5.10 0/1] Fix memleak during hotremove memory (Ma Wupeng) https://lkml.kernel.org/r/20230614061900.3296725-1-mawupeng1@huawei.com
Ma found a memory leak in memory hotplugging, and providing a patch.
[ANNOUNCE/CFP] CXL Microconference at LPC 2023 (Davidlohr Bueso) https://lkml.kernel.org/r/a4c2gx2tnm4ckax7qkx2trnvmqjssfytc45sb2zikuayd2marc@rpsjp4icgsvn
Davidlohr announces CXL microconference has accepted for LPC this year, and inviting people in the call for participation.
As of 2023-06-06, for some reason https://lore.kernel.org/linux-mm seems stopped being updated since 2023-05-31. On the day of 2023-06-06, the update has resumed.
[PATCH v3 0/5] riscv: Introduce KASLR (Alexandre Ghiti) https://lkml.kernel.org/r/20230606123242.20804-1-alexghiti@rivosinc.com
This patchset introduces KASLR, which allows kernel mapping randomization, for riscv.
Question about oom-killer (Gou Hao) https://lore.kernel.org/linux-mm/A31B3EA06AF77F13+c7278bd0-2695-4cc0-5a56-531a06ac2389@uniontech.com/
A question about oom-killer behavior that suspected to be a kernel bug.
[PATCH v3] Documentation/mm: Initial page table documentation (Linus Walleij) https://lkml.kernel.org/r/20230608125501.3960093-1-linus.walleij@linaro.org
[PATCH 00/12] mm: free retracted page table by RCU (Hugh Dickins) https://lkml.kernel.org/r/35e983f5-7ed3-b310-d949-9ae8b130cdab@google.com
This patchset aims to reduce mmap_lock contention by freeing retracted page table by RCU, with preceding and succeeding patchsets. This patchset was in Google data center kernel for three years.
[PATCH] mm: madvise: fix uneven accounting of psi (Charan Teja Kalla) https://lkml.kernel.org/r/1685531374-6091-1-git-send-email-quic_charante@quicinc.com
For madvise(MADV_PAGEOUT) is called for folios, PSI for the folio is not always accounted. This patchset makes it be consistent by always not considering PSI for folios that are reclaimed through madvise(MADV_PAGEOUT).
[PATCH 0/9] Mitigate a vmap lock contention (Uladzislau Rezki) https://lkml.kernel.org/r/20230522110849.2921-1-urezki@gmail.com
Uladzislau sent a patchset for vmap lock contention mitigation, as suggested at LSFMM+BPF.
[PATCH] mm: deduct the number of pages reclaimed by madvise from workingset (Zhaoyang Huang) https://lkml.kernel.org/r/1684919574-28368-1-git-send-email-zhaoyang.huang@unisoc.com
Pages reclaimed by madvise() with MADV_PAGEOUT hint doesn’t handle the workingset, hence leads to large refault distance than it should be. This patch addresses the case by making reclaim_pages() to receive mm_struct and deduct the pages from workingset.
[PATCH v3 00/11] Introduce cmpxchg128() – aka. the demise of cmpxchg_double() (Peter Zijlstra) https://lkml.kernel.org/r/20230515075659.118447996@infradead.org
This patchset introduces an alternative for cmpxchg_double(), namely cmpxchg128(), and replace the old usages of cmpxchg_double(). This is because Linus hates cmpxchg_double()[1].
[1] https://lore.kernel.org/all/Y2U3WdU61FvYlpUh@hirez.programming.kicks-ass.net/T/#u
[PATCH 0/6] Memory Mapping (VMA) protection using PKU - set 1 (Jeff Xu) https://lkml.kernel.org/r/20230515130553.2311248-1-jeffxu@chromium.org
[Invitation] Linux MM Alignment Session on Code Tagging on Wednesday (David Rientjes) https://lkml.kernel.org/r/CAE-26VDomF_pZybGjgCBJZuWusX0z3MTEJmkwtuQXx3PyrN6fw@mail.gmail.com
Google is hosting Linux MM alignment session.
[PATCH 0/2] Optimization of CMA allocation and reclaiming (Zhaoyang Huang) https://lkml.kernel.org/r/1683538383-19685-1-git-send-email-zhaoyang.huang@unisoc.com
This patchset avoids being OOMed when all free pages are composed of CMA.
[RFC PATCH 0/2] mm: Working Set Reporting (Yuanchu Xie) https://lkml.kernel.org/r/20230509185419.1088297-1-yuanchu@google.com
This RFC patch adds working set size reporting structure for each node and total, using MGLRU as its core, and extends virtio-balloon for letting the host get the information.
[PATCH] MAINTAINERS: repair pattern in DIALOG SEMICONDUCTOR DRIVERS (Lukas Bulwahn) https://lkml.
!! NOTE !!
This post has migrated to https://damonitor.github.io/posts/damon_news. This out-dated post will be removed soon.
Below is a list of news around DAMON project.
This list is not exhaustive but just a DAMON maintainer’s collection of news. If you find a news that should be added to this list, please let us know at sj@kernel.org and/or damon@lists.linux.dev.
2024 2024-10-15: DAMON debugfs interface removal RFC patch has posted.
[PATCH v2 0/2] Reduce lock contention related with large folio (Yin Fengwei) https://lkml.kernel.org/r/20230425084627.3573866-1-fengwei.yin@intel.com
Ryan found large anonymous folios exposes some lock contention unlike large page cache folios, because anonymous mapping is allocated/freed more frequently. This patchset mitigates the lock contention by avoid acquiring queue lock unnecessarily, and allowing batched large folio list adds to lru list.
[PATCH v2 0/3] fs: multigrain timestamps (Jeff Layton) https://lkml.kernel.org/r/20230424151104.175456-1-jlayton@kernel.org
This patchset makes file system to support not single-gran timestamp but multi-gran timestamps.