+ tools-testing-vma-eliminate-dependency-on-vma-__vm_flags.patch added to mm-unstable branch

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

The patch titled
     Subject: tools/testing/vma: add missing stub
has been added to the -mm mm-unstable branch.  Its filename is
     tools-testing-vma-eliminate-dependency-on-vma-__vm_flags.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/tools-testing-vma-eliminate-dependency-on-vma-__vm_flags.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: tools/testing/vma: add missing stub
Date: Fri, 21 Nov 2025 17:25:18 +0000

vm_flags_reset() is not available in the userland VMA tests, so add a stub
which const-casts vma->vm_flags and avoids the upcoming removal of the
vma->__vm_flags field.

Link: https://lkml.kernel.org/r/4aff8bf7-d367-4ba3-90ad-13eef7a063fa@lucifer.local
Fixes: c5c67c1de357 ("tools/testing/vma: eliminate dependency on vma->__vm_flags")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/vma/vma_internal.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/tools/testing/vma/vma_internal.h~tools-testing-vma-eliminate-dependency-on-vma-__vm_flags
+++ a/tools/testing/vma/vma_internal.h
@@ -1549,4 +1549,11 @@ static inline int do_munmap(struct mm_st
 	return 0;
 }
 
+static inline void vm_flags_reset(struct vm_area_struct *vma, vm_flags_t flags)
+{
+	vm_flags_t *dst = (vm_flags_t *)(&vma->vm_flags);
+
+	*dst = flags;
+}
+
 #endif	/* __MM_VMA_INTERNAL_H */
_

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

mm-correctly-handle-uffd-pte-markers.patch
mm-introduce-leaf-entry-type-and-use-to-simplify-leaf-entry-logic.patch
mm-avoid-unnecessary-uses-of-is_swap_pte.patch
mm-eliminate-is_swap_pte-when-softleaf_from_pte-suffices.patch
mm-use-leaf-entries-in-debug-pgtable-remove-is_swap_pte.patch
fs-proc-task_mmu-refactor-pagemap_pmd_range.patch
mm-avoid-unnecessary-use-of-is_swap_pmd.patch
mm-huge_memory-refactor-copy_huge_pmd-non-present-logic.patch
mm-huge_memory-refactor-change_huge_pmd-non-present-logic.patch
mm-replace-pmd_to_swp_entry-with-softleaf_from_pmd.patch
mm-introduce-pmd_is_huge-and-use-where-appropriate.patch
mm-remove-remaining-is_swap_pmd-users-and-is_swap_pmd.patch
mm-remove-non_swap_entry-and-use-softleaf-helpers-instead.patch
mm-remove-is_hugetlb_entry_.patch
mm-eliminate-further-swapops-predicates.patch
mm-replace-remaining-pte_to_swp_entry-with-softleaf_from_pte.patch
mm-softdirty-add-pgtable_supports_soft_dirty-fix.patch
tools-testing-vma-eliminate-dependency-on-vma-__vm_flags.patch