linux-kernel - Re: [PATCH 4/4] cfq-iosched: Allow parent cgroup to preempt its child

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Message-ID: <201511260459.yzWTWt80%fengguang.wu@intel.com>
Date:	Thu, 26 Nov 2015 04:24:23 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Jan Kara <jack@...e.cz>
Cc:	kbuild-all@...org, axboe@...nel.dk, Jeff Moyer <jmoyer@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
	Jan Kara <jack@...e.com>
Subject: Re: [PATCH 4/4] cfq-iosched: Allow parent cgroup to preempt its child

Hi Jan,

[auto build test ERROR on block/for-next]
[also build test ERROR on v4.4-rc2 next-20151124]

url:    https://github.com/0day-ci/linux/commits/Jan-Kara/SYNC_NOIDLE-preemption-for-ancestor-cgroups/20151125-222645
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: i386-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> ERROR: "cgroup_is_descendant" undefined!

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (52591 bytes)