[PATCH v4 28/66] arm64: Remove mmap linked list from vdso
Vlastimil Babka
vbabka at suse.cz
Tue Jan 18 04:03:11 PST 2022
On 12/1/21 15:30, Liam Howlett wrote:
> From: "Liam R. Howlett" <Liam.Howlett at Oracle.com>
>
> Use the VMA iterator instead.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
> Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
Acked-by: Vlastimil Babka <vbabka at suse.cz>
> ---
> arch/arm64/kernel/vdso.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
> index a61fc4f989b3..a8388af62b99 100644
> --- a/arch/arm64/kernel/vdso.c
> +++ b/arch/arm64/kernel/vdso.c
> @@ -136,10 +136,11 @@ 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);
>
> 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[VDSO_ABI_AA64].dm))
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