+ mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge-fix.patch added to mm-unstable branch

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

The patch titled
     Subject: mm: make comment consistent in vma_expand()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge-fix.patch

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

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------------------------------------------------------
From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Subject: mm: make comment consistent in vma_expand()
Date: Thu, 19 Jun 2025 15:32:57 +0100

The VMA merge structure contains a pointer to mm_struct so we don't need
to determine it from an input VMA's vm_mm field.  Update the comment to
reflect this and make it consistent with vma_merge_new_range() and
vma_merge_existing_range().

Link: https://lkml.kernel.org/r/c54f45e3-a6ac-4749-93c0-cc9e3080ee37@lucifer.local
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Jann Horn <jannh@google.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

--- a/mm/vma.c~mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge-fix
+++ a/mm/vma.c
@@ -1094,7 +1094,7 @@ struct vm_area_struct *vma_merge_new_ran
  * Returns: 0 on success.
  *
  * ASSUMPTIONS:
- * - The caller must hold a WRITE lock on vmg->target->mm->mmap_lock.
+ * - The caller must hold a WRITE lock on the mm_struct->mmap_lock.
  * - The caller must have set @vmg->target and @vmg->next.
  */
 int vma_expand(struct vma_merge_struct *vmg)
_

Patches currently in -mm which might be from lorenzo.stoakes@oracle.com are

maintainers-add-missing-mm-workingsetc-file-to-mm-reclaim-section.patch
maintainers-add-missing-test-files-to-mm-gup-section.patch
maintainers-add-further-init-files-to-mm-init-block.patch
maintainers-add-hugetlb_cgroupc-to-hugetlb-section.patch
maintainers-add-stray-rmap-file-to-mm-rmap-section.patch
maintainers-add-memfd-shmem-quota-files-to-shmem-section.patch
maintainers-add-additional-mmap-related-files-to-mmap-section.patch
maintainers-add-missing-files-to-mm-page-alloc-section.patch
docs-mm-expand-vma-doc-to-highlight-pte-freeing-non-vma-traversal.patch
mm-ksm-have-ksm-vma-checks-not-require-a-vma-pointer.patch
mm-ksm-refer-to-special-vmas-via-vm_special-in-ksm_compatible.patch
mm-prevent-ksm-from-breaking-vma-merging-for-new-vmas.patch
tools-testing-selftests-add-vma-merge-tests-for-ksm-merge.patch
mm-use-per_vma-lock-for-madv_dontneed-fix.patch
mm-pagewalk-split-walk_page_range_novma-into-kernel-user-parts.patch
mm-mremap-introduce-more-mergeable-mremap-via-mremap_relocate_anon.patch
mm-mremap-introduce-more-mergeable-mremap-via-mremap_relocate_anon-fix.patch
mm-mremap-add-mremap_must_relocate_anon.patch
mm-mremap-add-mremap_relocate_anon-support-for-large-folios.patch
tools-uapi-update-copy-of-linux-mmanh-from-the-kernel-sources.patch
tools-testing-selftests-add-sys_mremap-helper-to-vm_utilh.patch
tools-testing-selftests-add-mremap-cases-that-merge-normally.patch
tools-testing-selftests-add-mremap_relocate_anon-merge-test-cases.patch
tools-testing-selftests-expand-mremap-tests-for-mremap_relocate_anon.patch
tools-testing-selftests-have-cow-self-test-use-mremap_relocate_anon.patch
tools-testing-selftests-test-relocate-anon-in-split-huge-page-test.patch
tools-testing-selftests-add-mremap_relocate_anon-fork-tests.patch
secretmem-remove-uses-of-struct-page-fix.patch
mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge.patch
mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge-fix.patch
mm-change-vm_get_page_prot-to-accept-vm_flags_t-argument.patch
mm-change-vm_get_page_prot-to-accept-vm_flags_t-argument-fix.patch
mm-update-core-kernel-code-to-use-vm_flags_t-consistently.patch
mm-update-architecture-and-driver-code-to-use-vm_flags_t.patch