LKML News v6.7-rc2

[PATCH v7 00/10] Small-sized THP for anonymous memory (Ryan Roberts) https://lkml.kernel.org/r/20231115132734.931023-1-ryan.roberts@arm.com The seventh revision of small-sized anonymout memory THP is posted. [PATCH v2 00/14] Transparent Contiguous PTEs for User Mappings (Ryan Roberts) https://lkml.kernel.org/r/20231115163018.1303287-1-ryan.roberts@arm.com This patchset makes opportunistic and transparent contpte mappings for user memory when it meets the requirement. [GIT PULL] hotfixes for 6.7-rc2 (Andrew Morton) https://lkml.kernel.org/r/20231117140848.02adcf56c301bb3ab85ae75a@linux-foundation.org MM subsystem hotfixes for rc2 has sent to Linus Torvalds. Linux 6.7-rc2 (Linus Torvalds) https://lkml....

November 17, 2023 · 1 min · 168 words · Me

LKML News v6.7-rc1

NUMA + THP test suites? (John Hubbard) https://lkml.kernel.org/r/21812f89-c1a0-4ca0-9f73-54f20c4d29ef@nvidia.com John asks tets suite for NUMA and THP that can be useful for testing patches for the topics. [PATCH v4 0/1] mm: report per-page metadata information (Sourav Panda) https://lkml.kernel.org/r/20231031223846.827173-1-souravpanda@google.com This patch adds per-node and global page metadata information to sysfs and procfs, to let users know how much memory is being used by the metadata. [GIT PULL] MM updates for 6.7-rc1 (Andrew Morton) https://lkml....

October 31, 2023 · 2 min · 358 words · Me

LKML News v6.6

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....

October 24, 2023 · 2 min · 288 words · Me

LKML News v6.6-rc7

[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....

October 17, 2023 · 2 min · 272 words · Me

LKML News v6.6-rc6

[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....

October 10, 2023 · 2 min · 357 words · Me