linux-kernel - Re: [PATCH v2 14/18] mm/balloon: use general movable page feature into balloon

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Message-ID: <201603211608.zNLWtmQ0%fengguang.wu@intel.com>
Date:	Mon, 21 Mar 2016 16:29:55 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	jlayton@...chiereds.net, bfields@...ldses.org,
	Vlastimil Babka <vbabka@...e.cz>,
	Joonsoo Kim <iamjoonsoo.kim@....com>, koct9i@...il.com,
	aquini@...hat.com, virtualization@...ts.linux-foundation.org,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Rik van Riel <riel@...hat.com>, rknize@...orola.com,
	Gioh Kim <gi-oh.kim@...fitbricks.com>,
	Sangseok Lee <sangseok.lee@....com>,
	Chan Gyun Jeong <chan.jeong@....com>,
	Al Viro <viro@...IV.linux.org.uk>,
	YiPing Xu <xuyiping@...ilicon.com>,
	Minchan Kim <minchan@...nel.org>,
	Gioh Kim <gurugio@...mail.net>
Subject: Re: [PATCH v2 14/18] mm/balloon: use general movable page feature
 into balloon

Hi Minchan,

[auto build test ERROR on next-20160318]
[cannot apply to v4.5-rc7 v4.5-rc6 v4.5-rc5 v4.5]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Minchan-Kim/Support-non-lru-page-migration/20160321-143339
config: x86_64-randconfig-x000-201612 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   drivers/virtio/virtio_balloon.c: In function 'virtballoon_probe':
>> drivers/virtio/virtio_balloon.c:578:15: error: 'balloon_mnt' undeclared (first use in this function)
     kern_unmount(balloon_mnt);
                  ^
   drivers/virtio/virtio_balloon.c:578:15: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/virtio/virtio_balloon.c:579:1: warning: label 'out_free_vb' defined but not used [-Wunused-label]
    out_free_vb:
    ^

vim +/balloon_mnt +578 drivers/virtio/virtio_balloon.c

   572	
   573	out_oom_notify:
   574		vdev->config->del_vqs(vdev);
   575	out_unmount:
   576		if (vb->vb_dev_info.inode)
   577			iput(vb->vb_dev_info.inode);
 > 578		kern_unmount(balloon_mnt);
 > 579	out_free_vb:
   580		kfree(vb);
   581	out:
   582		return err;

---
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" (34316 bytes)