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(-)