Re: [patch 3/5] mm: vmstat: optionally flush per-CPU vmstat counters on return to userspace

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <20210701210458.350881923@fuller.cnet>
References: <20210701210458.350881923@fuller.cnet>
TO: Marcelo Tosatti <mtosatti@redhat.com>
TO: linux-kernel(a)vger.kernel.org
CC: Christoph Lameter <cl@linux-foundation.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Frederic Weisbecker <frederic@kernel.org>
CC: Juri Lelli <juri.lelli@redhat.com>
CC: Nitesh Lal <nilal@redhat.com>
CC: Marcelo Tosatti <mtosatti@redhat.com>

Hi Marcelo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/sched/core]
[also build test WARNING on tip/master linus/master v5.13 next-20210701]
[cannot apply to hnaz-linux-mm/master tip/core/entry]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Marcelo-Tosatti/optionally-sync-per-CPU-vmstats-counter-on-return-to-userspace/20210702-050826
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 031e3bd8986fffe31e1ddbf5264cccfe30c9abd7
:::::: branch date: 32 hours ago
:::::: commit date: 32 hours ago
config: x86_64-randconfig-b001-20210630 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9eb613b2de3163686b1a4bd1160f15ac56a4b083)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # apt-get install iwyu # include-what-you-use
        # https://github.com/0day-ci/linux/commit/b973a70c0670675073265d2cbee70a36bda3273e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Marcelo-Tosatti/optionally-sync-per-CPU-vmstats-counter-on-return-to-userspace/20210702-050826
        git checkout b973a70c0670675073265d2cbee70a36bda3273e
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross C=1 CHECK=iwyu 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@intel.com>


iwyu warnings: (new ones prefixed by >>)
   mm/vmstat.c:18:1: iwyu: warning: superfluous #include <linux/cpu.h>
   mm/vmstat.c:13:1: iwyu: warning: superfluous #include <linux/fs.h>
   mm/vmstat.c:28:1: iwyu: warning: superfluous #include <linux/mm_inline.h>
   mm/vmstat.c:29:1: iwyu: warning: superfluous #include <linux/page_ext.h>
   mm/vmstat.c:30:1: iwyu: warning: superfluous #include <linux/page_owner.h>
>> mm/vmstat.c:31:1: iwyu: warning: superfluous #include <linux/sched/isolation.h>

vim +31 mm/vmstat.c

b973a70c067067 Marcelo Tosatti 2021-07-01 @31  #include <linux/sched/isolation.h>
6e543d5780e36f Lisa Du         2013-09-11  32  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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