Kernel

[PATCH v3 0/6] mm: introduce shrinker debugfs interface (Roman Gushchin) https://lkml.kernel.org/r/20220509183820.573666-1-roman.gushchin@linux.dev This patchset introduces a descent debugfs interface for debugging the shrinker mechanism. [PATCH v3 0/3] Fix CONT-PTE/PMD size hugetlb issue when unmapping or migrating (Baolin Wang) https://lkml.kernel.org/r/cover.1652147571.git.baolin.wang@linux.alibaba.com For PTE-cont or PMD-cont size hugetlb pages, migration or unmapping of poisoned hugetlb pages which are using ptep_clear_flush() and set_pte_at() can cause data consistency issue. This patchset tries to fix the issue....

Memory allocation on speculative fastpaths (Paul E. McKenney) https://lkml.kernel.org/r/20220503155913.GA1187610@paulmck-ThinkPad-P17-Gen-1 There was a discussion about allocating memory inside RCU read critical section with GFP_KERNEL during LSFMM. Paul is summing up his points about it in this mail. [PATCH] mm,doc: Add new documentation structure (Matthew Wilcox) https://lkml.kernel.org/r/20220503063032.3680308-1-willy@infradead.org There was a session for MM documentation in the LSFMM. Matthew is restructuring the Documentation files to be more similar to Mel Gorman’s “Understanding the Linux Virtual Memory Manager”....

[PATCH v5 0/4] memcg: introduce per-memcg proactive reclaim (Yosry Ahmed) https://lkml.kernel.org/r/20220425190040.2475377-1-yosryahmed@google.com The fifth version of the patchset for adding per-memch proactive reclamation trigger interface. mmotm 2022-04-25-17-59 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220426005932.848CBC385A4@smtp.kernel.org The mmotm has updated. It has rebased on 5.18-rc4, added 62 new patches, modified 8 patches, and dropped 19 patches. In total, 334 patches in the queue. [PATCH -V2 0/3] memory tiering: hot page selection (Huang Ying) https://lkml.kernel.org/r/20220426085105.60822-1-ying.huang@intel.com This patchset adds hot pages selection to the tiered memory promotion mechanism for better performance....

LSF/MM/BPF 2022: Running BOF (Matthew Wilcox) https://lkml.kernel.org/r/Yl7TUDtLcrhXcp1g@casper.infradead.org Matthew is proposing a running BOF, which would do discussions while running after a breakfast. mmotm 2022-04-20-17-12 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220421001235.5F4E0C385A0@smtp.kernel.org -mm tree has updated. It’s rebased on 5.18-rc3, added 69 patches modified 126 patches, and dropped 35 patches. In total, 291 patches in the queue. [PATCH v2] mm: make minimum slab alignment a runtime property (Peter Collingbourne) https://lkml.kernel.org/r/20220421211549.3884453-1-pcc@google.com This makes slab alignment a runtime property and only align to 16 if KASAN is enabled at runtime....

Re: [PATCH v10 00/14] Multi-Gen LRU Framework (Andrew Morton) https://lore.kernel.org/linux-mm/20220411191559.a844c7140faeba2e68d842b7@linux-foundation.org/ Andrew Morton’s overall answer to MGLRU patchset. He would merge the latest MGLRU in -mm and -next, but would request broader update to the code. mmotm 2022-04-12-21-05 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220413040610.06AAAC385A4@smtp.kernel.org A snapshot of -mm has updated. It added 79 new patches, modified 24 patches, and dropped 10 patches. In total, 257 patches in the queue. [PATCH v2 0/5] mm: demotion: Introduce new node state N_DEMOTION_TARGETS (Jagdish Gediya) https://lkml....