[linux-next:master 11771/11874] fs/proc/task_nommu.c:132:28: error: 'mm' undeclared

[linux-next:master 11771/11874] fs/proc/task_nommu.c:132:28: error: 'mm' undeclared

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   8771b7845205db05fbefd2d914cacd678cea6325
commit: e87d4fd02f40b4c9e849f3dbf49767e4b0449779 [11771/11874] proc: revert /proc/<pid>/maps [stack:TID] annotation
config: blackfin-TCM-BF537_defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout e87d4fd02f40b4c9e849f3dbf49767e4b0449779
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All errors (new ones prefixed by >>):

   fs/proc/task_nommu.c: In function 'is_stack':
>> fs/proc/task_nommu.c:132:28: error: 'mm' undeclared (first use in this function)
   fs/proc/task_nommu.c:132:28: note: each undeclared identifier is reported only once for each function it appears in

vim +/mm +132 fs/proc/task_nommu.c

   126	static int is_stack(struct proc_maps_private *priv,
   127			    struct vm_area_struct *vma, int is_pid)
   128	{
   129		int stack = 0;
   130	
   131		if (is_pid) {
 > 132			stack = vma->vm_start <= mm->start_stack &&
   133				vma->vm_end >= mm->start_stack;
   134		} else {
   135			struct inode *inode = priv->inode;

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

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