Merge tag 'mm-hotfixes-stable-2022-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull hotfixes from Andrew Morton:
 "Mainly MM fixes. About half for issues which were introduced after
  5.18 and the remainder for longer-term issues"

* tag 'mm-hotfixes-stable-2022-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: split huge PUD on wp_huge_pud fallback
  nilfs2: fix incorrect masking of permission flags for symlinks
  mm/rmap: fix dereferencing invalid subpage pointer in try_to_migrate_one()
  riscv/mm: fix build error while PAGE_TABLE_CHECK enabled without MMU
  Documentation: highmem: use literal block for code example in highmem.h comment
  mm: sparsemem: fix missing higher order allocation splitting
  mm/damon: use set_huge_pte_at() to make huge pte old
  sh: convert nommu io{re,un}map() to static inline functions
  mm: userfaultfd: fix UFFDIO_CONTINUE on fallocated shmem pages