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[GIT PULL] Memory folios for v5.15 (Matthew Wilcox) https://lkml.kernel.org/r/YSPwmNNuuQhXNToQ@casper.infradead.org Matthew Wilcox sent a pull request for his page folio works to Linus Torvalds. Linus Torvalds replied he wants this to work in reverse. That is, calling head pages as normal pages but calling tail pages something other, as the term, page, is more common and de-facto standard in the industry. mmotm 2021-08-23-16-42 uploaded (Andrew Morton) https://lkml.kernel.org/r/20210823234329.H9WD-du1K%akpm@linux-foundation.org MMOTM is rebased on v5.

[PATCH v2 0/3] virtio-mem: disallow mapping virtio-mem memory via /dev/mem (David Hildenbrand) https://lkml.kernel.org/r/20210816142505.28359-1-david@redhat.com Once the virtio-mem driver is plugging/unplugging memory of virtual machines, accessing the memory region via /dev/mem from the user space makes no sense. To avoid such insane use case, this patchset adds a basic infrastructure to exclude some physical memory regions completely from /dev/mem. [PATCH v2 00/61] Introducing the Maple Tree (Liam Howlett) https://lkml.kernel.org/r/20210817154651.1570984-1-Liam.Howlett@oracle.com This patchset introduces a new data structure called maple tree, which intended to replace the rbtree for vm_area_struct.

[PATCH v9 1/2] mm: introduce process_mrelease system call (Suren Baghdasaryan) https://lkml.kernel.org/r/20210809185259.405936-1-surenb@google.com 9th version of the patchset which introducing a new system call for releasing memory of a process in a speedy manner. mmotm 2021-08-09-19-18 uploaded (Andrew Morton) https://lkml.kernel.org/r/20210810021934.XcpwGUEMn%akpm@linux-foundation.org -mm tree updated. [PATCH 0/5] x86: Impplement support for unaccepted memory (Kirill A. Shutemov) https://lkml.kernel.org/r/20210810062626.1012-1-kirill.shutemov@linux.intel.com Some platforms like Intel TDX or AMD SEV-SNP require memory to be accepted before it can be used by the guest.

[PATCH 0/3] mm: optimize thp for reclaim and migration (Yu Zhao) https://lkml.kernel.org/r/20210731063938.1391602-1-yuzhao@google.com This patchset drops subpages of THPs which contain only zero contents when splitting those, to reduce memory pressure overheads due to THP internal fragmentations. [PATCH v4 1/2] mm: introduce process_mrelease system call (Suren Baghdasaryan) https://lkml.kernel.org/r/20210802221431.2251210-1-surenb@google.com This patchset introduces a new system call, namely process_mrelease(). It can be used to quickly release memory of a process. [PATCH v7 0/5] Introduce multi-preference mempolicy (Feng Tang) https://lkml.

mmotm 2021-07-28-18-24 uploaded (Andrew Morton) https://lkml.kernel.org/r/20210729012524.S8-WP%akpm@linux-foundation.org Andrew Morton is updating the -mm tree. incoming (Andrew Morton) https://lkml.kernel.org/r/20210729145259.24681c326dc3ed18194cf9e5@linux-foundation.org Seven fixup patches from Andrew Morton. [PATCH 0/3] mm: optimize thp for reclaim and migration (Yu Zhao) https://lkml.kernel.org/r/20210731063938.1391602-1-yuzhao@google.com This patch optimizes THP split for reclaim or migration by dropping subpages that contain only zeroes. Linux 5.14-rc4 (Linus Torvalds) https://lkml.kernel.org/r/CAHk-=whv0g5YqoRXc8oxqJX3r+GP1dN3ia_Qg_V6UTjhi8vg8w@mail.gmail.com After one week, entirely normal rc4 is released. 5.14 is not so far now.

[PATCH 0/7] Free user PTE page table pages (Qi Zheng) https://lkml.kernel.org/r/20210718043034.76431-1-zhengqi.arch@bytedance.com This patchset frees user PTE page table pages when all PTE entries are empty, to reduce the memory overhead due to page tables. [PATCH v15 00/17] Folio support in block + iomap layers (Matthew Wilcox) https://lkml.kernel.org/r/20210719184001.1750630-1-willy@infradead.org Seems memory folios patchset is now merged in -mm tree and -next tree. This patchset further updates iomap to use folios. Runtime Memory Validation in Intel-TDX and AMD-SNP (Joerg Roedel) https://lkml.

[PATCH v6 0/6] Introduce multi-preference mempolicy (Feng Tang) https://lkml.kernel.org/r/1626077374-81682-1-git-send-email-feng.tang@intel.com Six version of the patchset that allows applications to set multiple preferred memory policy. [PATCH v1] madvise.2: Document MADV_POPULATE_READ and MADV_POPULATE_WRITE (David Hildenbrand) https://lkml.kernel.org/r/20210712083917.16361-1-david@redhat.com This patch documents the new madvise() options, MADV_POPULATE_(READ|WRITE). Request for folios (David Howells) https://lkml.kernel.org/r/3398985.1626104609@warthog.procyon.org.uk David is working for improving local filesystem’s caching and network filesystem support library. He thinks the folio work would make his work easier, though it also makes some of his work challenging.

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.