linux-kernel - Re: [PATCH] sched/core: Don't use dying mm as active

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Message-ID: <201907281205.pfTYU4kC%lkp@intel.com>
Date:   Sun, 28 Jul 2019 12:18:22 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Waiman Long <longman@...hat.com>
Cc:     kbuild-all@...org, Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        Phil Auld <pauld@...hat.com>, Waiman Long <longman@...hat.com>
Subject: Re: [PATCH] sched/core: Don't use dying mm as active_mm for kernel
 threads

Hi Waiman,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc1 next-20190726]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Waiman-Long/sched-core-Don-t-use-dying-mm-as-active_mm-for-kernel-threads/20190728-101948
config: i386-allnoconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   kernel/sched/core.c: In function 'context_switch':
>> kernel/sched/core.c:3240:18: error: 'struct mm_struct' has no member named 'owner'
     if (!mm && oldmm->owner) {
                     ^~

vim +3240 kernel/sched/core.c

---
0-DAY kernel test infrastructure                Open Source Technology Center
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