linux-kernel - Re: [PATCH 02/14] resource limits: aggregate task highwater marks to cgroup level

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Date:	Fri, 15 Jul 2016 20:38:05 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Topi Miettinen <toiwoton@...il.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Topi Miettinen <toiwoton@...il.com>,
	Jonathan Corbet <corbet@....net>, Tejun Heo <tj@...nel.org>,
	Li Zefan <lizefan@...wei.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Markus Elfring <elfring@...rs.sourceforge.net>,
	"David S. Miller" <davem@...emloft.net>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	"open list:CONTROL GROUP (CGROUP)" <cgroups@...r.kernel.org>
Subject: Re: [PATCH 02/14] resource limits: aggregate task highwater marks to
 cgroup level

Hi,

[auto build test ERROR on v4.7-rc7]
[also build test ERROR on next-20160715]
[cannot apply to tip/sched/core rdma/master]
[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/Topi-Miettinen/Present-useful-limits-to-user-v2/20160715-194333
config: i386-randconfig-s1-201628 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/cgroup.c: In function 'cgroup_update_stats_from_task':
>> kernel/cgroup.c:4681:12: error: 'struct cgroup' has no member named 'stats'
       if (cgrp->stats.resource_hiwater[i] <
               ^~
>> kernel/cgroup.c:4682:11: error: 'struct signal_struct' has no member named 'resource_highwatermark'
           sig->resource_highwatermark[i])
              ^~
   kernel/cgroup.c:4683:9: error: 'struct cgroup' has no member named 'stats'
        cgrp->stats.resource_hiwater[i] =
            ^~
   kernel/cgroup.c:4684:9: error: 'struct signal_struct' has no member named 'resource_highwatermark'
         sig->resource_highwatermark[i];
            ^~
   kernel/cgroup.c: In function 'cgroupstats_build':
   kernel/cgroup.c:4773:36: error: 'struct cgroup' has no member named 'stats'
      stats->resource_hiwater[i] = cgrp->stats.resource_hiwater[i];
                                       ^~

vim +4681 kernel/cgroup.c

  4675		/* Attempt a lockless read on the first round. */
  4676		nextseq = 0;
  4677		do {
  4678			seq = nextseq;
  4679			flags = read_seqbegin_or_lock_irqsave(&sig->stats_lock, &seq);
  4680			for (i = 0; i < RLIM_NLIMITS; i++)
> 4681				if (cgrp->stats.resource_hiwater[i] <
> 4682				    sig->resource_highwatermark[i])
  4683					cgrp->stats.resource_hiwater[i] =
  4684						sig->resource_highwatermark[i];
  4685	

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Download attachment ".config.gz" of type "application/octet-stream" (22648 bytes)