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SubjectRe: [PATCH] mm, vmalloc: properly track vmalloc users
Hi Michal,

[auto build test ERROR on mmotm/master]
[also build test ERROR on next-20170502]
[cannot apply to v4.11]
[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/Michal-Hocko/mm-vmalloc-properly-track-vmalloc-users/20170503-065022
base: git://git.cmpxchg.org/linux-mmotm.git master
config: m68k-multi_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 4.9.0
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=m68k

All errors (new ones prefixed by >>):

In file included from arch/m68k/include/asm/pgtable_mm.h:147:0,
from arch/m68k/include/asm/pgtable.h:4,
from include/linux/vmalloc.h:9,
from fs/nfsd/nfscache.c:12:
arch/m68k/include/asm/motorola_pgtable.h: In function 'pgd_offset':
>> arch/m68k/include/asm/motorola_pgtable.h:198:11: error: dereferencing pointer to incomplete type
return mm->pgd + pgd_index(address);
^

vim +198 arch/m68k/include/asm/motorola_pgtable.h

^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 182 }
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 183 static inline pte_t pte_mkcache(pte_t pte)
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 184 {
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 185 pte_val(pte) = (pte_val(pte) & _CACHEMASK040) | m68k_supervisor_cachemode;
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 186 return pte;
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 187 }
7e675137 include/asm-m68k/motorola_pgtable.h Nick Piggin 2008-04-28 188 static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 189
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 190 #define PAGE_DIR_OFFSET(tsk,address) pgd_offset((tsk),(address))
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 191
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 192 #define pgd_index(address) ((address) >> PGDIR_SHIFT)
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 193
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 194 /* to find an entry in a page-table-directory */
5b808a59 include/asm-m68k/motorola_pgtable.h Geert Uytterhoeven 2008-02-07 195 static inline pgd_t *pgd_offset(const struct mm_struct *mm,
5b808a59 include/asm-m68k/motorola_pgtable.h Geert Uytterhoeven 2008-02-07 196 unsigned long address)
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 197 {
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 @198 return mm->pgd + pgd_index(address);
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 199 }
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 200
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 201 #define swapper_pg_dir kernel_pg_dir
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 202 extern pgd_t kernel_pg_dir[128];
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 203
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 204 static inline pgd_t *pgd_offset_k(unsigned long address)
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 205 {
^1da177e include/asm-m68k/motorola_pgtable.h Linus Torvalds 2005-04-16 206 return kernel_pg_dir + (address >> PGDIR_SHIFT);

:::::: The code at line 198 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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