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

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/testing/selftests/mm/hugetlb-mmap.c b/tools/testing/selftests/mm/hugetlb-mmap.c
index 0f2aad1b7dbd..2edbc992e6bc 100644
--- a/tools/testing/selftests/mm/hugetlb-mmap.c
+++ b/tools/testing/selftests/mm/hugetlb-mmap.c
@@ -122,7 +122,7 @@ int main(int argc, char **argv)
 		hugepage_size = default_huge_page_size();
 		if (!hugepage_size)
 			ksft_exit_skip("Could not detect default hugetlb page size.");
-		ksft_print_msg("Default size hugepages (%lu kB)\n", hugepage_size >> 10);
+		ksft_print_msg("Default size hugepages (%zu kB)\n", hugepage_size >> 10);
 	}
 
 	/* munmap will fail if the length is not page aligned */
@@ -131,7 +131,7 @@ int main(int argc, char **argv)
 
 	hugetlb_set_nr_pages(hugepage_size, nr);
 	if (hugetlb_free_pages(hugepage_size) < nr)
-		ksft_exit_skip("Not enough %lu Kb pages\n", hugepage_size >> 10);
+		ksft_exit_skip("Not enough %zu Kb pages\n", hugepage_size >> 10);
 
 	ksft_set_plan(2);
 	ksft_print_msg("Mapping %lu Mbytes\n", (unsigned long)length >> 20);