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7 hotfixes. 4 are cc:stable.

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- Update .mailmap entries for Andy Yan and John Garry.
 
 - Fix read-only MAP_SHARED /dev/zero mappings so they retain shared-file
   semantics instead of being treated as anonymous memory, also avoiding a
   CONFIG_DEBUG_VM assertion.
 
 - Fix 32-bit build warnings in the hugetlb-mmap selftest caused by using the
   wrong printf format for size_t values.
 
 - Fix a boot-time crash when early function tracing causes CPA to free kernel
   page tables before the workqueues used for deferred freeing are available.
 
 - Fix two MREMAP_DONTUNMAP locked_vm accounting leaks: one caused by an
   mlock-on-fault VMA self-merging, and one caused by partially remapping a
   locked VMA.
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Merge tag 'mm-hotfixes-stable-2026-10-07-21-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM fixes from Andrew Morton:

 - Update .mailmap entries for Andy Yan and John Garry

 - Fix read-only MAP_SHARED /dev/zero mappings so they retain
   shared-file semantics instead of being treated as anonymous memory,
   also avoiding a CONFIG_DEBUG_VM assertion

 - Fix 32-bit build warnings in the hugetlb-mmap selftest caused by
   using the wrong printf format for size_t values

 - Fix a boot-time crash when early function tracing causes CPA to free
   kernel page tables before the workqueues used for deferred freeing
   are available

 - Fix two MREMAP_DONTUNMAP locked_vm accounting leaks: one caused by
   an mlock-on-fault VMA self-merging, and one caused by partially
   remapping a locked VMA

* tag 'mm-hotfixes-stable-2026-10-07-21-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mailmap: update entry for Andy Yan
  drivers/char/mem: mmap readonly MAP_SHARED-/dev/zero correctly
  selftests/mm: cleanup -Wformat issues in hugetlb-mmap
  mm: don't schedule deferred kernel page table freeing while booting
  mailmap: update addresses for John Garry
  mm/mremap: fix locked_vm leak by splitting VMA for MREMAP_DONTUNMAP
  mm/mremap: fix locked_vm leak from MREMAP_DONTUNMAP self-merge
This commit is contained in:
Linus Torvalds 2026-10-08 12:35:20 +02:00
commit b732c98215
8 changed files with 106 additions and 32 deletions
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