[PATCH v2 47/70] kernel/acct: Use maple tree iterators instead of linked list

[Liam R. Howlett]

Signed-off-by: Liam R. Howlett <liam.howl...@oracle.com>
---
 kernel/acct.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/acct.c b/kernel/acct.c
index f175df8f6aa4a..bcfe2cf7c7c0f 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -537,16 +537,14 @@ void acct_collect(long exitcode, int group_dead)
        struct pacct_struct *pacct = &current->signal->pacct;
        u64 utime, stime;
        unsigned long vsize = 0;
+       MA_STATE(mas, &current->mm->mm_mt, 0, 0);
 
        if (group_dead && current->mm) {
                struct vm_area_struct *vma;
 
                mmap_read_lock(current->mm);
-               vma = current->mm->mmap;
-               while (vma) {
+               mas_for_each(&mas, vma, -1)
                        vsize += vma->vm_end - vma->vm_start;
-                       vma = vma->vm_next;
-               }
                mmap_read_unlock(current->mm);
        }
 
-- 
2.28.0