Re: [PATCHv2 3/3] mm: Use updated pmdp_invalidate() inteface to track dirty/accessed bits

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Hi Kirill,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.12-rc5 next-20170615]
[cannot apply to tip/x86/core]
[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/Kirill-A-Shutemov/Do-not-loose-dirty-bit-on-THP-pages/20170616-030455
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All errors (new ones prefixed by >>):

   fs/proc/task_mmu.c: In function 'clear_soft_dirty_pmd':
>> fs/proc/task_mmu.c:912:6: error: void value not ignored as it ought to be
     old = pmdp_invalidate(vma, addr, pmdp);
         ^

vim +912 fs/proc/task_mmu.c

   906	static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma,
   907			unsigned long addr, pmd_t *pmdp)
   908	{
   909		pmd_t old, pmd = *pmdp;
   910	
   911		/* See comment in change_huge_pmd() */
 > 912		old = pmdp_invalidate(vma, addr, pmdp);
   913		if (pmd_dirty(old))
   914			pmd = pmd_mkdirty(pmd);
   915		if (pmd_young(old))

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

Attachment: .config.gz
Description: application/gzip


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