From 79f53964a141e6d2e1fd6379f6320717c6d18942 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Mon, 22 Aug 2022 15:06:33 +0000 Subject: [PATCH] riscv: use vma iterator for vdso Remove the linked list use in favour of the vma iterator. Link: https://lkml.kernel.org/r/20220822150128.1562046-67-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: "Matthew Wilcox (Oracle)" Cc: SeongJae Park Cc: Sven Schnelle Cc: Vlastimil Babka Cc: Will Deacon Cc: Yu Zhao Signed-off-by: Andrew Morton --- arch/riscv/kernel/vdso.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 69b05b6c181b..692e7ae3dcb8 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -114,11 +114,12 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) { struct mm_struct *mm = task->mm; struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); struct __vdso_info *vdso_info = mm->context.vdso_info; mmap_read_lock(mm); - for (vma = mm->mmap; vma; vma = vma->vm_next) { + for_each_vma(vmi, vma) { unsigned long size = vma->vm_end - vma->vm_start; if (vma_is_special_mapping(vma, vdso_info->dm)) -- 2.50.1