Lkml

Virtual Scanning Considered Harmful (Matthew Wilcox) https://lkml.kernel.org/r/ZTc7SHQ4RbPkD3eZ@casper.infradead.org Matthew shares his benchmark program that simulates speeds of LRU pages traversal using an linked list, an array, and direct physical addresses. As can expect, the physical address based traversal is fastest. [GIT PULL] hotfixes for 6.6 (Andrew Morton) https://lkml.kernel.org/r/20231024094608.f2dc0ca5ed2619d411a31df5@linux-foundation.org Andrew sent mm hotfixes for v6.6 to Linus Torvalds. One for DAMON also contained. [PATCH v4 0/5] workload-specific and memory pressure-driven zswap writeback (Nhat Pham) https://lkml....

[PATCH] x86/mm: drop 4MB restriction on minimal NUMA node size (Mike Rapoport) https://lkml.kernel.org/r/20231017062215.171670-1-rppt@kernel.org Kernel can panic when less than 4MB NUMA node is configured. The commit which introduced the 4MB limit doesn’t clearly explain the reason. This patch drops the limit. [Invitation] Linux MM Alignment Session on Small-sized THPs on Wednesday (David Rientjes) https://lkml.kernel.org/r/76c2f454-5ab2-61db-a41f-a30f08a4aa1e@google.com The next MM alignment session sill be lead by Ryan Roberts from ARM, for small-sized THP....

[RFC PATCH 0/5] hot page swap to zram, cold page swap to swapfile directly (Lincheng Yang) https://lkml.kernel.org/r/20231008095924.1165106-1-lincheng.yang@transsion.com The team has made the kernel feature that swaps hot page to zram and cold pages to swapfile, directly. It aims to reduce zram compression/decompression overhead under memory pressure on Android v4.19 linux kernel, and trying to make it upstreamed due to the GKI limitation. [RFC PATCH] zswap: add writeback_time_threshold interface to shrink zswap pool (Zhongkun He) https://lkml....

[PATCH 0/5] riscv: Use READ_ONCE()/WRITE_ONCE() for pte accesses (Alexandre Ghiti) https://lkml.kernel.org/r/20231002151031.110551-1-alexghiti@rivosinc.com A patchset for making all page table entries accesses use READ_ONCE()/WRITE_ONCE(), to avoid compiler reordering of the accesses. [PATCH v1 0/3] mm/gup: Introduce pin_user_pages_fd() for pinning shmem/hugetlbfs file pages (Vivek Kasireddy) https://lkml.kernel.org/r/20231003074447.3245729-1-vivek.kasireddy@intel.com A patchset introducing a new function for long-term pages pinning. [RFC PATCH v3 0/3] Introduce persistent memory pool (Stanislav Kinsburskii) https://lkml.kernel.org/r/169645773092.11424.7258549771090599226.stgit@skinsburskii. An RFC implementing a memory allocator in the kernel for persistent memory has posted....

[PATCH v3 0/4] Smart scanning mode for KSM (Stefan Roesch) https://lkml.kernel.org/r/20230926040939.516161-1-shr@devkernel.io KSM scans pages without historic information, so pages that already found to be not eligible for deduplication are scanned unnecessarily. This patchset introduces smart scanning for KSM, which utilizes the historic information. [PATCH -V2 00/10] mm: PCP high auto-tuning (Huang Ying) https://lkml.kernel.org/r/20230926060911.266511-1-ying.huang@intel.com This patchset implements auto-tuning of Per-CPU Pageset high to optimize page allocation performance. [PATCH rfc 0/5] mm: improve performance of kernel memory accounting (Roman Gushchin) https://lkml....