The return value of populate_vma_page_range() is consistent with __get_user_pages(), and so is the function comment of return value. Signed-off-by: Tang Yizhou <tangyizhou@xxxxxxxxxx> --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index 2cc5eba44362..a55f1ec712e9 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1386,7 +1386,8 @@ static __always_inline long __get_user_pages_locked(struct mm_struct *mm, * * This takes care of mlocking the pages too if VM_LOCKED is set. * - * return 0 on success, negative error code on error. + * Return either number of pages pinned in the vma, or a negative error + * code on error. * * vma->vm_mm->mmap_lock must be held. * -- 2.17.1
