linux-kernel - [GIT PULL] remaining MM updates for 5.20-r1

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Message-Id: <20220809181742.30eb3ee4071d2b8bb81bc959@linux-foundation.org>
Date:   Tue, 9 Aug 2022 18:17:42 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-mm@...ck.org, mm-commits@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [GIT PULL] remaining MM updates for 5.20-r1


Three patch series - two that perform cleanups and one feature.


The following changes since commit c8a684e2e110376c58f0bfa30fb3855d1e319670:

  Merge tag 'leds-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds (2022-08-08 11:36:21 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-stable-2022-08-09

for you to fetch changes up to a9e9c93966afdaae74a6a7533552391646b93f2c:

  Documentation/mm: add details about kmap_local_page() and preemption (2022-08-08 18:06:46 -0700)

----------------------------------------------------------------
- hugetlb_vmemmap cleanups from Muchun Song

- hardware poisoning support for 1GB hugepages, from Naoya Horiguchi

- highmem documentation fixups from Fabio De Francesco

----------------------------------------------------------------
Fabio M. De Francesco (7):
      highmem: remove unneeded spaces in kmap_local_page() kdocs
      highmem: specify that kmap_local_page() is callable from interrupts
      Documentation/mm: don't kmap*() pages which can't come from HIGHMEM
      Documentation/mm: avoid invalid use of addresses from kmap_local_page()
      Documentation/mm: rrefer kmap_local_page() and avoid kmap()
      highmem: delete a sentence from kmap_local_page() kdocs
      Documentation/mm: add details about kmap_local_page() and preemption

Muchun Song (8):
      mm: hugetlb_vmemmap: delete hugetlb_optimize_vmemmap_enabled()
      mm: hugetlb_vmemmap: optimize vmemmap_optimize_mode handling
      mm: hugetlb_vmemmap: introduce the name HVO
      mm: hugetlb_vmemmap: move vmemmap code related to HugeTLB to hugetlb_vmemmap.c
      mm: hugetlb_vmemmap: replace early_param() with core_param()
      mm: hugetlb_vmemmap: improve hugetlb_vmemmap code readability
      mm: hugetlb_vmemmap: move code comments to vmemmap_dedup.rst
      mm: hugetlb_vmemmap: use PTRS_PER_PTE instead of PMD_SIZE / PAGE_SIZE

Naoya Horiguchi (8):
      mm/hugetlb: check gigantic_page_runtime_supported() in return_unused_surplus_pages()
      mm/hugetlb: make pud_huge() and follow_huge_pud() aware of non-present pud entry
      mm, hwpoison, hugetlb: support saving mechanism of raw error pages
      mm, hwpoison: make unpoison aware of raw error info in hwpoisoned hugepage
      mm, hwpoison: set PG_hwpoison for busy hugetlb pages
      mm, hwpoison: make __page_handle_poison returns int
      mm, hwpoison: skip raw hwpoison page in freeing 1GB hugepage
      mm, hwpoison: enable memory error handling on 1GB hugepage

 Documentation/admin-guide/kernel-parameters.txt |   7 +-
 Documentation/admin-guide/mm/hugetlbpage.rst    |   4 +-
 Documentation/admin-guide/mm/memory-hotplug.rst |   4 +-
 Documentation/admin-guide/sysctl/vm.rst         |   3 +-
 Documentation/mm/highmem.rst                    |  31 +-
 Documentation/mm/vmemmap_dedup.rst              |  72 ++-
 arch/arm64/mm/flush.c                           |  13 +-
 arch/x86/mm/hugetlbpage.c                       |   8 +-
 fs/Kconfig                                      |  12 +-
 include/linux/highmem.h                         |   7 +-
 include/linux/hugetlb.h                         |  24 +-
 include/linux/mm.h                              |   9 +-
 include/linux/page-flags.h                      |  32 +-
 include/linux/swapops.h                         |   9 +
 include/linux/sysctl.h                          |   4 +
 include/ras/ras_event.h                         |   1 -
 mm/hugetlb.c                                    |  73 ++-
 mm/hugetlb_vmemmap.c                            | 589 ++++++++++++++++++------
 mm/hugetlb_vmemmap.h                            |  45 +-
 mm/memory-failure.c                             | 179 +++++--
 mm/sparse-vmemmap.c                             | 399 ----------------
 21 files changed, 823 insertions(+), 702 deletions(-)