kernel/sys: Use maple tree iterators instead of linked list

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/kernel/sys.c b/kernel/sys.c
index 51f00fe20e4d15fbf37a38d4a66d2a62166f8cce..7f6204c2c86e68b5752b1718f2b43a518a33e175 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1859,9 +1859,10 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
        err = -EBUSY;
        if (exe_file) {
                struct vm_area_struct *vma;
+               MA_STATE(mas, &mm->mm_mt, 0, 0);
 
                mmap_read_lock(mm);
-               for (vma = mm->mmap; vma; vma = vma->vm_next) {
+               mas_for_each(&mas, vma, ULONG_MAX) {
                        if (!vma->vm_file)
                                continue;
                        if (path_equal(&vma->vm_file->f_path,