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dkim=pass header.d=oracle.com header.s=corp-2021-07-09 header.b=b8XxoEr7; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=j3ZQbExT; spf=none (imf26.hostedemail.com: domain of liam.howlett@oracle.com has no SPF policy when checking 205.220.165.32) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=none) header.from=oracle.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: AF91E14003F X-Stat-Signature: qbtj7duu1dyntwg5yo4bddmic5t47h31 X-HE-Tag: 1649084779-543063 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000286, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: "Liam R. Howlett" Use the VMA iterator instead. Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka --- arch/x86/entry/vdso/vma.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 235a5794296a..3883da001c62 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -127,17 +127,17 @@ int vdso_join_timens(struct task_struct *task, struct= time_namespace *ns) { struct mm_struct *mm =3D task->mm; struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); =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)) zap_page_range(vma, vma->vm_start, size); } - mmap_read_unlock(mm); + return 0; } #else @@ -354,6 +354,7 @@ int map_vdso_once(const struct vdso_image *image, unsig= ned long addr) { struct mm_struct *mm =3D current->mm; struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); =20 mmap_write_lock(mm); /* @@ -363,7 +364,7 @@ int map_vdso_once(const struct vdso_image *image, unsig= ned long addr) * We could search vma near context.vdso, but it's a slowpath, * so let's explicitly check all VMAs to be completely sure. */ - for (vma =3D mm->mmap; vma; vma =3D vma->vm_next) { + for_each_vma(vmi, vma) { if (vma_is_special_mapping(vma, &vdso_mapping) || vma_is_special_mapping(vma, &vvar_mapping)) { mmap_write_unlock(mm); --=20 2.34.1