2022-08-22 15:11:06

by Liam R. Howlett

Subject: [PATCH v13 30/70] arm64: remove mmap linked list from vdso

From: "Matthew Wilcox (Oracle)" <[email protected]>

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Liam R. Howlett <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
---
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))
--
2.35.1

2022-08-23 20:37:42

by Davidlohr Bueso

Subject: Re: [PATCH v13 30/70] arm64: remove mmap linked list from vdso

On Mon, 22 Aug 2022, Liam Howlett wrote:

>From: "Matthew Wilcox (Oracle)" <[email protected]>
>
>Use the VMA iterator instead.
>
>Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
>Signed-off-by: Liam R. Howlett <[email protected]>
>Acked-by: Vlastimil Babka <[email protected]>

Reviewed-by: Davidlohr Bueso <[email protected]>