[PATCH v9 00/69] Maple Tree v9

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Andrew,

Please merge this patch set into the mm tree.

Changes:
 - Removed mips rename patch to allow maple tree data structure to be
   the first patch
 - Moved pretty cover letter to the first patch
 - Boot tested m68k and s390 builds
 - Had to disable KASAN for s390 due to qemu bug [1]
 - Added error paths for preallocation failures
 - Added error path for brk failure instead of dropping dead code
 - Added s-o-b SeongJae Park to damon patch

It is based off the mm-stable branch.

1. https://lore.kernel.org/linux-mm/YnGHJ7oroqF+v1u+@osiris/

Liam R. Howlett (44):
  Maple Tree: add new data structure
  radix tree test suite: add pr_err define
  radix tree test suite: add kmem_cache_set_non_kernel()
  radix tree test suite: add allocation counts and size to kmem_cache
  radix tree test suite: add support for slab bulk APIs
  radix tree test suite: add lockdep_is_held to header
  lib/test_maple_tree: add testing for maple tree
  mm: start tracking VMAs with maple tree
  mm/mmap: use the maple tree in find_vma() instead of the rbtree.
  mm/mmap: use the maple tree for find_vma_prev() instead of the rbtree
  mm/mmap: use maple tree for unmapped_area{_topdown}
  kernel/fork: use maple tree for dup_mmap() during forking
  damon: Convert __damon_va_three_regions to use the VMA iterator
  mm: remove rb tree.
  mmap: change zeroing of maple tree in __vma_adjust()
  xen: use vma_lookup() in privcmd_ioctl_mmap()
  mm: optimize find_exact_vma() to use vma_lookup()
  mm/khugepaged: optimize collapse_pte_mapped_thp() by using
    vma_lookup()
  mm/mmap: change do_brk_flags() to expand existing VMA and add
    do_brk_munmap()
  mm: use maple tree operations for find_vma_intersection()
  mm/mmap: use advanced maple tree API for mmap_region()
  mm: remove vmacache
  mm: convert vma_lookup() to use mtree_load()
  mm/mmap: move mmap_region() below do_munmap()
  mm/mmap: reorganize munmap to use maple states
  mm/mmap: change do_brk_munmap() to use do_mas_align_munmap()
  arm64: Change elfcore for_each_mte_vma() to use VMA iterator
  fs/proc/base: use maple tree iterators in place of linked list
  userfaultfd: use maple tree iterator to iterate VMAs
  ipc/shm: use VMA iterator instead of linked list
  bpf: remove VMA linked list
  mm/gup: use maple tree navigation instead of linked list
  mm/madvise: use vma_find() instead of vma linked list
  mm/memcontrol: stop using mm->highest_vm_end
  mm/mempolicy: use vma iterator & maple state instead of vma linked
    list
  mm/mprotect: use maple tree navigation instead of vma linked list
  mm/mremap: use vma_find_intersection() instead of vma linked list
  mm/msync: use vma_find() instead of vma linked list
  mm/oom_kill: use maple tree iterators instead of vma linked list
  mm/swapfile: use vma iterator instead of vma linked list
  riscv: use vma iterator for vdso
  mm: remove the vma linked list
  mm/mmap: drop range_has_overlap() function
  mm/mmap.c: pass in mapping to __vma_link_file()

Matthew Wilcox (Oracle) (25):
  mm: add VMA iterator
  mmap: use the VMA iterator in count_vma_pages_range()
  proc: remove VMA rbtree use from nommu
  arm64: remove mmap linked list from vdso
  parisc: remove mmap linked list from cache handling
  powerpc: remove mmap linked list walks
  s390: remove vma linked list walks
  x86: remove vma linked list walks
  xtensa: remove vma linked list walks
  cxl: remove vma linked list walk
  optee: remove vma linked list walk
  um: remove vma linked list walk
  coredump: remove vma linked list walk
  exec: use VMA iterator instead of linked list
  fs/proc/task_mmu: stop using linked list and highest_vm_end
  acct: use VMA iterator instead of linked list
  perf: use VMA iterator
  sched: use maple tree iterator to walk VMAs
  fork: use VMA iterator
  mm/khugepaged: stop using vma linked list
  mm/ksm: use vma iterators instead of vma linked list
  mm/mlock: use vma iterator and maple state instead of vma linked list
  mm/pagewalk: use vma_find() instead of vma linked list
  i915: use the VMA iterator
  nommu: remove uses of VMA linked list

 Documentation/core-api/index.rst              |     1 +
 Documentation/core-api/maple_tree.rst         |   218 +
 MAINTAINERS                                   |    12 +
 arch/arm64/kernel/elfcore.c                   |    16 +-
 arch/arm64/kernel/vdso.c                      |     3 +-
 arch/parisc/kernel/cache.c                    |     7 +-
 arch/powerpc/kernel/vdso.c                    |     6 +-
 arch/powerpc/mm/book3s32/tlb.c                |    11 +-
 arch/powerpc/mm/book3s64/subpage_prot.c       |    13 +-
 arch/riscv/kernel/vdso.c                      |     3 +-
 arch/s390/kernel/vdso.c                       |     3 +-
 arch/s390/mm/gmap.c                           |     6 +-
 arch/um/kernel/tlb.c                          |    14 +-
 arch/x86/entry/vdso/vma.c                     |     9 +-
 arch/x86/kernel/tboot.c                       |     2 +-
 arch/xtensa/kernel/syscall.c                  |    18 +-
 drivers/firmware/efi/efi.c                    |     2 +-
 drivers/gpu/drm/i915/gem/i915_gem_userptr.c   |    14 +-
 drivers/misc/cxl/fault.c                      |    45 +-
 drivers/tee/optee/call.c                      |    18 +-
 drivers/xen/privcmd.c                         |     2 +-
 fs/coredump.c                                 |    34 +-
 fs/exec.c                                     |    12 +-
 fs/proc/base.c                                |     5 +-
 fs/proc/internal.h                            |     2 +-
 fs/proc/task_mmu.c                            |    74 +-
 fs/proc/task_nommu.c                          |    45 +-
 fs/userfaultfd.c                              |    55 +-
 include/linux/maple_tree.h                    |   685 +
 include/linux/mm.h                            |    74 +-
 include/linux/mm_types.h                      |    43 +-
 include/linux/mm_types_task.h                 |    12 -
 include/linux/sched.h                         |     1 -
 include/linux/userfaultfd_k.h                 |     7 +-
 include/linux/vm_event_item.h                 |     4 -
 include/linux/vmacache.h                      |    28 -
 include/linux/vmstat.h                        |     6 -
 include/trace/events/maple_tree.h             |   123 +
 include/trace/events/mmap.h                   |    73 +
 init/main.c                                   |     2 +
 ipc/shm.c                                     |    21 +-
 kernel/acct.c                                 |    11 +-
 kernel/bpf/task_iter.c                        |    10 +-
 kernel/debug/debug_core.c                     |    12 -
 kernel/events/core.c                          |     3 +-
 kernel/events/uprobes.c                       |     9 +-
 kernel/fork.c                                 |    57 +-
 kernel/sched/fair.c                           |    10 +-
 lib/Kconfig.debug                             |    17 +-
 lib/Makefile                                  |     3 +-
 lib/maple_tree.c                              |  6965 +++
 lib/test_maple_tree.c                         | 37854 ++++++++++++++++
 mm/Makefile                                   |     2 +-
 mm/damon/vaddr-test.h                         |    37 +-
 mm/damon/vaddr.c                              |    53 +-
 mm/debug.c                                    |    14 +-
 mm/gup.c                                      |     7 +-
 mm/huge_memory.c                              |     4 +-
 mm/init-mm.c                                  |     4 +-
 mm/internal.h                                 |     8 +-
 mm/khugepaged.c                               |    13 +-
 mm/ksm.c                                      |    18 +-
 mm/madvise.c                                  |     2 +-
 mm/memcontrol.c                               |     6 +-
 mm/memory.c                                   |    33 +-
 mm/mempolicy.c                                |    56 +-
 mm/mlock.c                                    |    35 +-
 mm/mmap.c                                     |  2129 +-
 mm/mprotect.c                                 |     7 +-
 mm/mremap.c                                   |    22 +-
 mm/msync.c                                    |     2 +-
 mm/nommu.c                                    |   135 +-
 mm/oom_kill.c                                 |     3 +-
 mm/pagewalk.c                                 |     2 +-
 mm/swapfile.c                                 |     4 +-
 mm/util.c                                     |    32 -
 mm/vmacache.c                                 |   117 -
 mm/vmstat.c                                   |     4 -
 tools/include/linux/slab.h                    |     4 +
 tools/testing/radix-tree/.gitignore           |     2 +
 tools/testing/radix-tree/Makefile             |     9 +-
 tools/testing/radix-tree/generated/autoconf.h |     1 +
 tools/testing/radix-tree/linux.c              |   160 +-
 tools/testing/radix-tree/linux/kernel.h       |     1 +
 tools/testing/radix-tree/linux/lockdep.h      |     2 +
 tools/testing/radix-tree/linux/maple_tree.h   |     7 +
 tools/testing/radix-tree/maple.c              |    59 +
 .../radix-tree/trace/events/maple_tree.h      |     3 +
 88 files changed, 47857 insertions(+), 1820 deletions(-)
 create mode 100644 Documentation/core-api/maple_tree.rst
 create mode 100644 include/linux/maple_tree.h
 delete mode 100644 include/linux/vmacache.h
 create mode 100644 include/trace/events/maple_tree.h
 create mode 100644 lib/maple_tree.c
 create mode 100644 lib/test_maple_tree.c
 delete mode 100644 mm/vmacache.c
 create mode 100644 tools/testing/radix-tree/linux/maple_tree.h
 create mode 100644 tools/testing/radix-tree/maple.c
 create mode 100644 tools/testing/radix-tree/trace/events/maple_tree.h

-- 
2.35.1





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