From: Tang Yizhou <tangyizhou@xxxxxxxxxx> Subject: mm/gup.c: fix the comment of return value for populate_vma_page_range() The return value of populate_vma_page_range() is consistent with __get_user_pages(), and so is the function comment of return value. Link: http://lkml.kernel.org/r/20200720034303.29920-1-tangyizhou@xxxxxxxxxx Signed-off-by: Tang Yizhou <tangyizhou@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/gup.c~mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range +++ a/mm/gup.c @@ -1404,7 +1404,8 @@ retry: * * 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. * _
