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SubjectRe: [PATCHv2 2/3] mm: Do not loose dirty and access bits in pmdp_invalidate()
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: arm64-defconfig (attached as .config)
compiler: aarch64-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=arm64

All errors (new ones prefixed by >>):

mm/pgtable-generic.c: In function 'pmdp_invalidate':
>> mm/pgtable-generic.c:185:14: error: implicit declaration of function 'pmdp_establish' [-Werror=implicit-function-declaration]
pmd_t old = pmdp_establish(pmdp, pmd_mknotpresent(*pmdp));
^~~~~~~~~~~~~~
>> mm/pgtable-generic.c:185:14: error: invalid initializer
cc1: some warnings being treated as errors

vim +/pmdp_establish +185 mm/pgtable-generic.c

179 #endif
180
181 #ifndef __HAVE_ARCH_PMDP_INVALIDATE
182 pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
183 pmd_t *pmdp)
184 {
> 185 pmd_t old = pmdp_establish(pmdp, pmd_mknotpresent(*pmdp));
186 if (pmd_present(old))
187 flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
188 return old;

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