[PATCH v13 66/70] riscv: use vma iterator for vdso

Liam Howlett
2022-08-22T15:12:31Z

From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Remove the linked list use in favour of the vma iterator.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
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))
--
2.35.1