Kernel

incoming (Andrew Morton) https://lkml.kernel.org/r/20210628193256.008961950a714730751c1423@linux-foundation.org The first pull request from Andrew Morton for the v5.14 merge window. [PATCH v3 00/18] Folio conversion of memcg (Matthew Wilcox) https://lkml.kernel.org/r/20210630040034.1155892-1-willy@infradead.org This patchset was a part of the memory folio patchset, but has split out to individual patchset. incoming (Andrew Morton) https://lkml.kernel.org/r/20210630184624.9ca1937310b0dd5ce66b30e7@linux-foundation.org Rest of the -mm tree, which dependent on things in -next. Andrew will trickle that over next week, before the merge window is closed....

[PATCH v4] mm: introduce reference pages (Peter Collingbourne) https://lkml.kernel.org/r/20210619092002.1791322-1-pcc@google.com This patch introduces a new syscall, refpage_create(). This system creates a file descriptor which can be mmap-ed using mmap(), which will be similar to anonymous mapping but the memory will be backed by a reference page instead of the zero page. [PATCH 0/3] mm/page_reporting: Make page reporting work on arm64 with 64KB page size (Gavin Shan) https://lkml.kernel.org/r/20210621051152.305224-1-gshan@redhat.com This patchset makes the page reporting to work on ARM with more realistic threshold, which is 2MB instead of 512MB, when the system’s page size is 64KB....

[PATCH v11 00/33] Memory folios (“Matthew Wilcox (Oracle)”) (33+ msgs) (Matthew Wilcox) https://lkml.kernel.org/r/20210614201435.1379188-1-willy@infradead.org Eleventh version of the memory folios patchset. It helps easier handling of head and tails of compounded pages. [LSF/MM TOPIC] Tiered memory accounting and management (Tim Chen) https://lkml.kernel.org/r/475cbc62-a430-2c60-34cc-72ea8baebf2c@linux.intel.com Another LSF/MM topic for discussion of tiered memory accounting and management, including the DRAM to PMEM demotion and PMEM to DRAM promotion. [REMINDER] LSF/MM/BPF: 2021: Call for Proposals (Josef Bacik) https://lkml....

[RFC PATCH V3] zram:calculate available memory when zram is used (wangyong) https://lkml.kernel.org/r/1623080354-21453-1-git-send-email-yongw.pur@gmail.com This patchset adds a new entry called SwapAvailable in /proc/meminfo. It shows the memory savings when swap devices are used. If zram is used, it considers the compression ratio. [PATCH v3 0/9] Remove DISCONTIGMEM memory model (Mike Rapoport) https://lkml.kernel.org/r/20210608091316.3622-1-rppt@kernel.org This patchset removes DISCONTIGMEM memory model, finally. There are no more architectures requiring it. [LSF/MM/BPF TOPIC] Consolidating representations of the physical memory (Mike Rapoport) https://lkml....

[PATCH V3 0/2] mm: compaction: proactive compaction trigger by user (Charan Teja Reddy) https://lkml.kernel.org/r/cover.1622454385.git.charante@codeaurora.org This patchset introduces /proc/sys/vm/compaction_proactiveness file, which can trigger proactive compaction by writing it. [RFC PATCH] mm/page_reporting: Adjust threshold according to MAX_ORDER (Gavin Shan) https://lkml.kernel.org/r/20210601033319.100737-1-gshan@redhat.com The free pages reporting feature doesn’t allow discontiguous pages that smaller than PAGE_REPORTING_MIN_ORDER. Current setting of it makes the feature to never work on specific environment, because it is set to be equal to pageblock_order....