On Sun, Apr 24, 2022 at 03:23:23AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: e7d6987e09a328d4a949701db40ef63fbb970670 > commit: 70a8da53f7cb7368776f9d2790ecbb4f8bc53ba5 [5085/5845] mm: teach core mm about pte markers > config: x86_64-randconfig-a002-20210928 (https://download.01.org/0day-ci/archive/20220424/202204240320.TGDuGcsL-lkp@xxxxxxxxx/config) > compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=70a8da53f7cb7368776f9d2790ecbb4f8bc53ba5 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 70a8da53f7cb7368776f9d2790ecbb4f8bc53ba5 > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > Note: the linux-next/master HEAD e7d6987e09a328d4a949701db40ef63fbb970670 builds fine. > It may have been fixed somewhere. > > All errors (new ones prefixed by >>): > > fs/userfaultfd.c: In function 'userfaultfd_must_wait': > >> fs/userfaultfd.c:337:13: error: implicit declaration of function 'pte_none_mostly' [-Werror=implicit-function-declaration] > 337 | if (pte_none_mostly(*pte)) > | ^~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors Ah, userfaultfd.c may need explicit inclusion for swapops.h now.. Expected fix attached to be squashed into "mm: Teach core mm about pte markers", I think. Thanks, -- Peter Xu
>From 009572e59f7d72c5085676b0506f0b269f9ef334 Mon Sep 17 00:00:00 2001 From: Peter Xu <peterx@xxxxxxxxxx> Date: Sat, 23 Apr 2022 16:39:15 -0400 Subject: [PATCH] fixup! mm: Teach core mm about pte markers Content-type: text/plain Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> --- fs/userfaultfd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index fb45522a2b44..e943370107d0 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -29,6 +29,7 @@ #include <linux/ioctl.h> #include <linux/security.h> #include <linux/hugetlb.h> +#include <linux/swapops.h> int sysctl_unprivileged_userfaultfd __read_mostly; -- 2.32.0
