Lkml

[PATCH V2 0/2] Introduce slabinfo version 2.2 (Fangzheng Zhang) https://lkml.kernel.org/r/20240219031911.10372-1-fangzheng.zhang@unisoc.com This patchset updates slabinfo to version 2.2 and adds slabreclaim column for recording whether each slab pool is reclaim type. [RFC PATCH 0/3] make the hugetlb migration strategy consistent (Baolin Wang) https://lkml.kernel.org/r/cover.1708507022.git.baolin.wang@linux.alibaba.com Falling back to other NUMA nodes when migrating freed hugetlb is prevented while it is allowed for in-use hugetlb. This patchset make it more clear and consistent. [Invitation] Linux MM Alignment Session on Cold Page Detection on Wednesday (David Rientjes) https://lkml....

[PATCH v3] cgroup2: New memory.max.effective like cgroup1 hierarchical_memory_limit (Jan Kratochvil) https://lkml.kernel.org/r/ZctiM5RintD_D0Lt@host1.jankratochvil.net Unlike cgroup v1, which was able to find effective memory limit using hierarchical_memorylimit and hierarchical_memsw_limit lines, cgoup v2 doesn’t have such hierarchical information, so need to read all files in the hierarchy to know the effective memory limit. This patchset adds memory.max.effective and memory.swap.max.effective to let users easily get the information. [PATCH v3 00/35] Memory allocation profiling (Suren Baghdasaryan) https://lkml....

[PATCH] mm/cma: Add sysfs file ‘release_pages_success’ (Anshuman Khandual) https://lkml.kernel.org/r/20240206045731.472759-1-anshuman.khandual@arm.com This patch adds a new sysfs file for tracking the number of successfully released pages from a given CMA heap area. It aims to be hulpful at determining available active CMA pages. [PATCH v2] mm/demotion: print demotion targets (Li Zhijian) https://lkml.kernel.org/r/20240206020151.605516-1-lizhijian@fujitsu.com Li Zhijian sent a patch for printing demotion target information in case of fallback for unmet requirements on the target node, directly to the kernel log....

[GIT PULL] hotfixes for 6.8-rc3 (Andrew Morton) https://lkml.kernel.org/r/20240128232759.7535e6774bec152556fb9730@linux-foundation.org Andrew Morton sent a hotfixes pull request to Linus Torvalds. [LSF/MM/BPF TOPIC] Reclaiming & documenting page flags (Matthew Wilcox) https://lkml.kernel.org/r/Zbcn-P4QKgBhyxdO@casper.infradead.org Matthew proposes yet another LSFMM topic for discussing what page flags actually mean altogether, for better documentation. [PATCH v7 0/1] mm: report per-page metadata information (Sourav Panda) https://lkml.kernel.org/r/20240129224204.1812062-1-souravpanda@google.com Sourav from Google posted a patch for adding a new field on /proc/meminfo and /sys/devices/system/node/nodeN/vmstat called PageMetadata and nr_page_metadata respectively, which can helps understand how much memory are being used for page metadata....

Project: Improving the PCP allocator (Matthew Wilcox) https://lkml.kernel.org/r/Za6RXtSE_TSdrRm_@casper.infradead.org Matthew introduces an idea to improve the PCP allocator, roughly saying, keeping only compound memory on the PCP list. [PATCH v2 0/3] Enable >0 order folio memory compaction (Zi Yan) https://lkml.kernel.org/r/20240123034636.1095672-1-zi.yan@sent.com Zi enables larger than zero order folio compaction, which is the prerequisite for large folio support. [PATCH v2 1/3] mm: make vm_area_struct anon_name field RCU-safe (Suren Baghdasaryan) https://lkml.kernel.org/r/20240123231014.3801041-1-surenb@google.com For lockless /proc/pid/maps reads, this patch makes anon_name field of vm_area_struct, which is the only one field that need to be accessed for reading the file but not RCU-protected, to be protected by RCU....