[PATCH v2 46/61] bpf: Remove VMA linked list
From: Liam Howlett <hidden>
Date: 2021-08-17 15:54:29
Also in:
lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [iterator], the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Yonghong Song, Linus Torvalds
From: "Liam R. Howlett" <redacted> Use vma_next() and remove reference to the start of the linked list Signed-off-by: Liam R. Howlett <redacted> --- kernel/bpf/task_iter.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c
index b68cb5d6d6eb..c1c71adc7c1a 100644
--- a/kernel/bpf/task_iter.c
+++ b/kernel/bpf/task_iter.c@@ -400,10 +400,10 @@ task_vma_seq_get_next(struct bpf_iter_seq_task_vma_info *info) switch (op) { case task_vma_iter_first_vma: - curr_vma = curr_task->mm->mmap; + curr_vma = find_vma(curr_task->mm, 0); break; case task_vma_iter_next_vma: - curr_vma = curr_vma->vm_next; + curr_vma = vma_next(curr_vma->vm_mm, curr_vma); break; case task_vma_iter_find_vma: /* We dropped mmap_lock so it is necessary to use find_vma
@@ -417,7 +417,7 @@ task_vma_seq_get_next(struct bpf_iter_seq_task_vma_info *info) if (curr_vma && curr_vma->vm_start == info->prev_vm_start && curr_vma->vm_end == info->prev_vm_end) - curr_vma = curr_vma->vm_next; + curr_vma = vma_next(curr_vma->vm_mm, curr_vma); break; } if (!curr_vma) {
--
2.30.2