Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> --- mm/gup.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index b06e2a6d90187..20392efb2d9ba 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1465,6 +1465,7 @@ int __mm_populate(unsigned long start, unsigned long len, int ignore_errors) struct vm_area_struct *vma = NULL; int locked = 0; long ret = 0; + MA_STATE(mas, &mm->mm_mt, start, start); end = start + len; @@ -1476,10 +1477,10 @@ int __mm_populate(unsigned long start, unsigned long len, int ignore_errors) if (!locked) { locked = 1; mmap_read_lock(mm); - vma = find_vma(mm, nstart); + vma = mas_find(&mas, end); } else if (nstart >= vma->vm_end) - vma = vma->vm_next; - if (!vma || vma->vm_start >= end) + vma = mas_next(&mas, end); + if (!vma) break; /* * Set [nstart; nend) to intersection of desired address -- 2.28.0