The patch titled Subject: mm/gup.c: Fix the comment of return value for populate_vma_page_range() has been added to the -mm tree. Its filename is mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ 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> 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. * _ Patches currently in -mm which might be from tangyizhou@xxxxxxxxxx are mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range.patch