[PATCH 00/12] Introduce CONFIG_SLUB_TINY and deprecate SLOB (Vlastimil Babka) https://lkml.kernel.org/r/20221121171202.22080-1-vbabka@suse.cz
Vlastimil has posted a mail[1] for a discussion about SLOB deprecation. As no one has objected at the idea so far, Vlastimil has sent a patchset for that.
[1] https://lore.kernel.org/all/b35c3f82-f67b-2103-7d82-7a7ba7521439@suse.cz/
[RFC PATCH v1 0/4] Introduce merge identical pages mechanism (Alexey Romanov) https://lkml.kernel.org/r/20221121190020.66548-1-avromanov@sberdevices.ru
This RFC patchset introduces a mechanism for merging identical compressed pages, which could be common in zram like use cases.
[PATCH] mm: Make drop_caches keep reclaiming on all nodes (Jan Kara) https://lkml.kernel.org/r/20221115123255.12559-1-jack@suse.cz
drop_caches works in somewhat loop-until-no-progress manner. It could result in not so aggressive reclamation. This patch makes it to continue reclamation on other node until every node makes no progress.
[RFC][PATCH 0/4] cachestat: a new syscall for page cache state of files (Nha Pham) https://lkml.kernel.org/r/20221115182901.2755368-1-nphamcs@gmail.com
Users can know the cache state of files using mincore() system call, but it scales bad for large files.
[PATCH v2] mm: anonymous shared memory naming (Pasha Tatashin) https://lkml.kernel.org/r/20221107184715.3950621-1-pasha.tatashin@soleen.com
Second version of the patch for allowing shared anonymous memory mapping naming has posted.
Deprecating and removing SLOB (Vlastimil Babka) https://lkml.kernel.org/r/b35c3f82-f67b-2103-7d82-7a7ba7521439@suse.cz
Vlastimil is describing his proposal for removing SLOB, mainly for the code maintenance overhead, and trying to continue discussions for that.
[PATCH 1/4] mm: introduce ‘encoded’ page pointers with embedded extra bits (Linus Torvalds) https://lkml.kernel.org/r/20221109203051.1835763-1-torvalds@linux-foundation.org
Linus Torvalds has posted a patchset for a new type called struct encoded_page, which is for struct page pointers having extra flags in it.
[PATCH -next] mm/page_reporting: change page_reporting_param_ops to static (Yang Yingliang) https://lkml.kernel.org/r/20221101070022.1930028-1-yangyingliang@huawei.com
This patch makes page_reporting_param_ops static, as it’s used in only the c file.
[RFC PATCH] mm: introduce accounting of page_owner via backtrace (Zhoyang Huang) https://lkml.kernel.org/r/1667390781-17515-1-git-send-email-zhaoyang.huang@unisoc.com
This RFC patchset accounts and sorts page_owner output via its backtrace for simplifying it.
[PATCH v6 0/5] THP Shrinker (Alexander Zhu) https://lkml.kernel.org/r/cover.1667454613.git.alexlzhu@fb.com
The patchset for THP shrinking, which aims to reduce memory waste due to the THP underutilization, has revised again to the sixth version.
[PATCH] swap: add a limit for readahead page-cluster value (Kairu Song) https://lkml.kernel.org/r/20221023162533.81561-1-ryncsn@gmail.com
/proc/sys/vm/page-cluster could overflow because it has no upper limit. This patch set its upper-limit as 2**31, so that at most 2**31 pages could be read in at once.
[PATCH 0/1] Dead stores in maple-tree (Lukas Bulwahn) https://lkml.kernel.org/r/20221026120029.12555-1-lukas.bulwahn@gmail.com
This patch fixes some dead stores of maple tree that reported by clang analyzer.
[PATCH v6 00/21] TDX host kernel support (Kai Huang) https://lkml.
[RFC PATCH] mm: Introduce new MADV_NOMOVABLE behavior (Baolin Wang) https://lkml.kernel.org/r/bc27af32b0418ed1138a1c3a41e46f54559025a5.1665991453.git.baolin.wang@linux.alibaba.com
This RFC patch introduces a new madvise() hint called MADV_NOMOVABLE for long-term pinning of memory.
[PATCH 0/4] Add MADV_COLLAPSE documentation (Zach O’Keefe) https://lkml.kernel.org/r/20221017175523.2048887-1-zokeefe@google.com
This patchset adds documentation of MADV_COLLAPSE, which is a new madvise() hint that merged in v6.1.
[PATCH v4 0/3] THP Shrinker (Alexander Zhu) https://lkml.kernel.org/r/cover.1666150565.git.alexlzhu@fb.com
Alexander posted the fourth version of THP shrinker, which aims to reduce the THP memory inefficiency due to the THP internal fragmentation.
[RFC UKL 00/10] Unikernel Linux (UKL) (Ali Raza) https://lkml.kernel.org/r/20221003222133.20948-1-aliraza@bu.edu
This RFC patchset introduces a research project called Unikernel Linux which integrates application specific optimization to the Linux kernel. It links an application directly with kernel and runs it in the supervisor mode.
[PATCH v6] mm: add zblock - new allocator for use via zpool API (Ananda) https://lkml.kernel.org/r/20221005053302.30387-1-a.badmaev@clicknet.pro
This patchset introduces a new allocator for zpool API. The author says it is better than zsmalloc in terms of worst execution time and therefore good at real-time usage.
[GIT PULL] hotfixes for 6.0[-rc8] (Andrew Morton) https://lkml.kernel.org/r/20220926123721.2a1edc734b4fc516a9a350b8@linux-foundation.org
Andrew’s mm hotfix patches pull request for Linux v6.0, or v6.0-rc8 has posted.
[RFC PATCH] mm: sort kmemleak object via backtrace (Zhaoyang Huang) https://lkml.kernel.org/r/1664264570-3716-1-git-send-email-zhaoyang.huang@unisoc.com
This RFC patch introduces a set of method to sort objects in kmemleak output by backtrace to make the report more easy to read.
[PATCH 0/3] THP Shrinker (Alexander Zhu) https://lkml.kernel.org/r/cover.1664347167.git.alexlzhu@fb.com
This patchset introduces a sysfs files for measuring THP utilization and a shrinker for splitting the under-utilized THPs.
[RFC PATCH] mm: track bad page via kmemleak (Zhaoyang Huang) https://lkml.kernel.org/r/1663679468-16757-1-git-send-email-zhaoyang.huang@unisoc.com
This RFC patch makes bad pages to be tracked via kmemleak.
[PATCH v1 0/3] coding-style.rst: document BUG() and WARN() rules (David Hildenbrand) https://lkml.kernel.org/r/20220920122302.99195-1-david@redhat.com
There was a recent discussion on when to use BUG() and WARN() and the variants. This patch tries to make it clearly described in coding-style doc and checkpatch script.
[RFC 0/6] migrate_pages(): batch TLB flushing (Huang Ying) https://lkml.
[PATCH mm-unstable v15 00/14] Multi-Gen LRU Framework (Yu Zhao) https://lkml.kernel.org/r/20220918080010.2920238-1-yuzhao@google.com
A new version of MGLRU patchset has posted. Among the changes in this new version, fix of long-tailed direct reclaim latency looks interesting.
Linux 6.0-rc6 (Linus Torvalds) https://lkml.kernel.org/r/CAHk-=wi=gtuSO8Yz8LDubkMk7TiMsZxpypt9S10jeZRkyaBFnA@mail.gmail.com
The sixth release candidate for Linux v6.0 has out. Maybe due to the LPC/OSS EU/Maintainers summit which all were held in last week, this release is quite small. Torvalds says it might mean that seventh release will be bigger than usual and therefore it might need one more week for v6.