+ arm64-mm-move-__check_safe_pte_update-fix.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: arm64-mm-move-__check_safe_pte_update-fix
has been added to the -mm mm-unstable branch.  Its filename is
     arm64-mm-move-__check_safe_pte_update-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm64-mm-move-__check_safe_pte_update-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: "David Hildenbrand (Arm)" <david@kernel.org>
Subject: arm64-mm-move-__check_safe_pte_update-fix
Date: Mon, 28 Sep 2026 09:42:06 +0200

fix this:

>> aarch64-linux-ld: Unexpected GOT/PLT entries detected!
>> aarch64-linux-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-ld: arch/arm64/mm/mmu.o: in function `__set_ptes_anysz.isra.40.constprop.47':
>> mmu.c:(.text+0x9a8): undefined reference to `__check_safe_pte_update'
   aarch64-linux-ld: arch/arm64/mm/hugetlbpage.o: in function `__set_ptes_anysz.isra.32':
>> hugetlbpage.c:(.text+0x1a8): undefined reference to `__check_safe_pte_update'
   aarch64-linux-ld: kernel/bpf/arena.o: in function `apply_range_set_cb':
>> arena.c:(.text+0x11fc): undefined reference to `__check_safe_pte_update'
   aarch64-linux-ld: mm/gup.o: in function `follow_page_pte':
>> gup.c:(.text+0x2b48): undefined reference to `__check_safe_pte_update'
   aarch64-linux-ld: mm/memory.o: in function `__set_ptes.isra.207':
>> memory.c:(.text+0x3418): undefined reference to `__check_safe_pte_update'
   aarch64-linux-ld: mm/mprotect.o:mprotect.c:(.text+0x1080): more undefined references to `__check_safe_pte_update' follow

Link: https://lore.kernel.org/99023678-fd8a-4eef-8e43-a07b504e3e96@kernel.org
Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202609270030.Y0QVBPmK-lkp@intel.com/
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
---

 arch/arm64/mm/mmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/mm/mmu.c~arm64-mm-move-__check_safe_pte_update-fix
+++ a/arch/arm64/mm/mmu.c
@@ -2392,6 +2392,7 @@ int arch_set_user_pkey_access(int pkey,
 
 	return 0;
 }
+#endif
 
 /*
  * PTE bits configuration in the presence of hardware Dirty Bit Management
@@ -2436,4 +2437,3 @@ void __check_safe_pte_update(struct mm_s
 		     __func__, pte_val(old_pte), pte_val(pte));
 }
 #endif /* CONFIG_DEBUG_VM */
-#endif
_

Patches currently in -mm which might be from david@kernel.org are

selftests-mm-khugepaged-remove-str_dup-usage.patch
mm-sparse-move-mem_section-init-to-sparse_extreme_init.patch
mm-sparse-refactor-sparse_sections_init.patch
mm-sparse-move-initialization-of-section-metadata-to-sparse_metadata_init.patch
mm-sparse-rename-and-cleanup-sparse_init_nid.patch
mm-sparse-cleanup-sparse_init_one_section.patch
mm-sparse-rename-__highest_present_section_nr-to-__highest_used_section_nr.patch
mm-sparse-remove-pfn_in_present_section.patch
mm-sparse-move-__highest_used_section_nr-handling.patch
scripts-gdb-mmpy-remove-fallbacks-for-section_has_mem_map-and-section_is_early.patch
mm-sparse-remove-section_marked_present.patch
mm-sparse-remove-flags-parameter-from-sparse_init_one_section.patch
fs-proc-page-clarify-comment-in-get_max_dump_pfn.patch
mm-memory_hotplug-drop-config_have_arch_pfn_valid-handling-from-pfn_to_online_page.patch
arm64-mm-move-__check_safe_pte_update-fix.patch