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SubjectRe: [PATCH v3] sparc64: Reduce TLB flushes during hugepte changes
Hi Nitin,

[auto build test ERROR on sparc/master]
[also build test ERROR on v4.6-rc1 next-20160329]
[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/Nitin-Gupta/sparc64-Reduce-TLB-flushes-during-hugepte-changes/20160330-051327
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git master
config: sparc64-allnoconfig (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
# save the attached .config to linux build tree
make.cross ARCH=sparc64

All errors (new ones prefixed by >>):

arch/sparc/mm/tlb.c: In function 'tlb_batch_add':
>> arch/sparc/mm/tlb.c:115:2: error: implicit declaration of function 'is_hugetlb_pte' [-Werror=implicit-function-declaration]
bool huge = is_hugetlb_pte(orig);
^
cc1: all warnings being treated as errors

vim +/is_hugetlb_pte +115 arch/sparc/mm/tlb.c

109 put_cpu_var(tlb_batch);
110 }
111
112 void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
113 pte_t *ptep, pte_t orig, int fullmm)
114 {
> 115 bool huge = is_hugetlb_pte(orig);
116
117 if (tlb_type != hypervisor &&
118 pte_dirty(orig)) {

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