Kernel

[PATCH 0/2] arm64: remove page granularity limitation from KFENCE (Jisheng Zhang) https://lkml.kernel.org/r/20210524172433.015b3b6b@xhacker.debian This patchset removes the page granularity mapping requirement for the KFENCE’s linear map, to achieve both arm64’s block level and contiguous mapping for non-KFENCE pool pages, by allocating the KFENCE pool before paging_init(). [PATCH v2 00/21] Optimize list lru memory consumption (Muchun Song) https://lkml.kernel.org/r/20210527062148.9361-1-songmuchun@bytedance.com Muchun found kmalloc-32 slab cache consuming huge memory due to cgroups initialization, and posting this patchset which expected to fix the problem fundamentally....

RCU tests for Maple Tree (Paul E. McKenney) https://lkml.kernel.org/r/20210517154048.GA2013926@paulmck-ThinkPad-P17-Gen-1 Paul is asking if there are rcu-related tests for Maple Tree other than rcu_loop() and rcu_val() that Paul needs to looking for. [PATCH v20 0/7] mm: introduce memfd_secret system call to create “secret” memory areas (Mike Rapoport) https://lkml.kernel.org/r/20210518072034.31572-1-rppt@kernel.org The 20th version of the patchset that implements ‘secret’ mappings backed by a file descriptor. [PATCH v3 00/14] Multigenerational LRU Framework (Yu Zhao) https://lkml....

[RESEND] LSF/MM/BPF: 2021: Call for Proposals (Josef Bacik) https://lkml.kernel.org/r/60997079.1c69fb81.77f3f.a045@mx.google.com/ CFG for LSF/MM/BPF 2021 posted. It will be held from 2021-12-06 to 2021-12-08 in Palm Springs, California. As of now, it is supposed to be an in-person conference! [LSF/MM/BPF TOPIC] Memory folios (Matthew Wilcox) https://lkml.kernel.org/r/YJlzwcADaxO/JHRE@casper.infradead.org Matthew expects the memory folios patchset will be merged soon, but he wants to discuss about it in the LSFMM, if there are something to discuss more....

[PATCH v3] mm/compaction:let proactive compaction order configurable (chukaiping) https://lkml.kernel.org/r/1619313662-30356-1-git-send-email-chukaiping@baidu.com Third version of the patchset making compaction order lower than 9. Machines using 1GB hugetlbfs huge pages could be an example user of this feature. [PATCH v4] mm/compaction: let proactive compaction order configurable (chukaiping) https://lkml.kernel.org/r/1619576901-9531-1-git-send-email-chukaiping@baidu.com Fourth version of the patchset posted quite quickly. [PATCH 00/94] Introducing the Maple Tree (Liam Howlett) https://lkml.kernel.org/r/20210428153542.2814175-1-Liam.Howlett@Oracle.com This huge patchset introduces an RCU-safe range based B-tree called maple tree....

[PATCH -next v3 1/2] mm/debug_vm_pgtable: Move {pmd/pud}_huge_tests out of CONFIG_TRANSPARENT_HUGEPAGE (Liu Shixin) The functions are not THP dependent in real, but made dependent. This patch moves it out. [PATCH v10 0/7] Make alloc_contig_range handle Hugetlb pages (Oscar Salvador) https://lkml.kernel.org/r/20210419075413.1064-1-osalvador@suse.de The 10th version of the patchset which allows Hugetlb pages allocated via alloc_contig_range(), dynamically. [PATCH v2 0/5] mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables (David Hildenbrand) https://lkml.kernel.org/r/20210419135443.12822-1-david@redhat.com This is the second version of the patchset implementing MADV_POPULATE_(READ|WRITE) for madvise() system call....