Posts

[PATCH] memcg: Add a new sysctl parameter for automatically setting memory.high (Waiman Long) https://lore.kernel.org/20240623204514.1032662-1-longman@redhat.com While memcg v1 has only single file for memory limit setting, namely memory.limit_in_bytes, memcg v2 has two files, memory.max and memory.high for the purpose. Users migrating from memcg v1 to memcg v2 usually sets only memory.max, and hence get problems sometimes. This patch add a new knob, memory_high_autoset_ratio, which allows setting memory.high as a ratio of memory....

[GIT PULL] hotfixes for 6.10-rc5 (Andrew Morton) https://lore.kernel.org/20240617114712.45d4743f8bacb832dea4b5a9@linux-foundation.org Andrew posted hotfixes pull request to Linus Torvalds. [PATCH] Add accumulated call counter for memory allocation profiling (David Wang) https://lore.kernel.org/20240617153250.9079-1-00107082@163.com David sent a patch for adding accumulated call counter for memory allocation profiling. He argues this could help performance behaviors analysis. [RFC PATCH v1 0/5] Alternative mTHP swap allocator improvements (Ryan Roberts) https://lore.kernel.org/20240618232648.4090299-1-ryan.roberts@arm.com Ryan posted this proof-of-concept patchset for achieving 0% fallback at mTHP swap....

DAMON talk for OSSummit EU 2024 has accepted and scheduled. The talk will focus on use cases of DAMON for saving memory including those for real world products. The title of the talk is “DAMON Recipes: Ways to Save Memory Using a Linux Kernel Subsystem in the Real World”.

[PATCH 0/7] arm64 / x86-64: low-level code generation issues (Linus Torvalds) https://lore.kernel.org/20240610204821.230388-1-torvalds@linux-foundation.org Linus Torvalds posted another version of runtime const patchset for not only x86_64 but also arm64. He mentions the work was motivated by his Altra box that shows __d_lookup_rcu() like a horror. [PATCH v2 1/2] virt: pvmemcontrol: control guest physical memory properties (Yuanchu Xie) https://lore.kernel.org/20240612021207.3314369-1-yuanchu@google.com Yuanchu posted a patchset for letting guest control its physical memory properties, security features and optimizations....

[PATCH v2 0/8] mm: workingset reporting (Yuanchu Xie) https://lore.kernel.org/20240604020549.1017540-1-yuanchu@google.com Yuanchu posted second version of the MGLRU-based workingset reporting patchset. [PATCH 0/2] mm/pstore: Reserve named unspecified memory across boots (Steven Rostedt) https://lore.kernel.org/20240603233330.801075898@goodmis.org Steven posted a patch for reserving part of memory for pstore, which is currently being reserved via firmware, via a new kernel command line parameter, reserve_mem. [PATCH v4 00/11] riscv: Memory Hot(Un)Plug support (Björn Töpel) https://lore.kernel.org/20240605114100.315918-1-bjorn@kernel.org Björn posted the fourth version of the patchset for supporting memory hot-[un]plugging and ZONE_DEVICE support on RISC-V....