diff --git a/mm/gup.c b/mm/gup.c index d4f706dc245f..6e49fe5da513 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1674,10 +1674,11 @@ 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 = find_vma_intersection(mm, nstart, end); } else if (nstart >= vma->vm_end) - vma = vma->vm_next; - if (!vma || vma->vm_start >= end) + vma = find_vma_intersection(mm, vma->vm_end, end); + + if (!vma) break; /* * Set [nstart; nend) to intersection of desired address