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Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka Reviewed-by: Davidlohr Bueso --- arch/s390/kernel/vdso.c | 3 ++- arch/s390/mm/gmap.c | 6 ++++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 5075cde77b29..535099f2736d 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -69,10 +69,11 @@ static struct page *find_timens_vvar_page(struct vm_are= a_struct *vma) int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) { struct mm_struct *mm =3D task->mm; + VMA_ITERATOR(vmi, mm, 0); struct vm_area_struct *vma; =20 mmap_read_lock(mm); - for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) { + for_each_vma(vmi, vma) { unsigned long size =3D vma->vm_end - vma->vm_start; =20 if (!vma_is_special_mapping(vma, &vvar_mapping)) diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 62758cb5872f..02d15c8dc92e 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -2515,8 +2515,9 @@ static const struct mm_walk_ops thp_split_walk_ops = =3D { static inline void thp_split_mm(struct mm_struct *mm) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); =20 - for (vma =3D mm->mmap; vma !=3D NULL; vma =3D vma->vm_next) { + for_each_vma(vmi, vma) { vma->vm_flags &=3D ~VM_HUGEPAGE; vma->vm_flags |=3D VM_NOHUGEPAGE; walk_page_vma(vma, &thp_split_walk_ops, NULL); @@ -2584,8 +2585,9 @@ int gmap_mark_unmergeable(void) struct mm_struct *mm =3D current->mm; struct vm_area_struct *vma; int ret; + VMA_ITERATOR(vmi, mm, 0); =20 - for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) { + for_each_vma(vmi, vma) { ret =3D ksm_madvise(vma, vma->vm_start, vma->vm_end, MADV_UNMERGEABLE, &vma->vm_flags); if (ret) --=20 2.35.1