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SubjectRe: [PATCHv3 1/2] x86/vdso: add mremap hook to vm_special_mapping
Hi Dmitry,

[auto build test ERROR on v4.6-rc3]
[also build test ERROR on next-20160415]
[cannot apply to tip/x86/core tip/x86/vdso]
[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/Dmitry-Safonov/x86-vdso-add-mremap-hook-to-vm_special_mapping/20160415-212414
config: x86_64-randconfig-x011-201615 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

arch/x86/entry/vdso/vma.c: In function 'vdso_mremap':
>> arch/x86/entry/vdso/vma.c:113:29: error: 'vdso_image_32' undeclared (first use in this function)
unsigned long vdso_land = vdso_image_32.sym_int80_landing_pad;
^
arch/x86/entry/vdso/vma.c:113:29: note: each undeclared identifier is reported only once for each function it appears in

vim +/vdso_image_32 +113 arch/x86/entry/vdso/vma.c

107 const struct vdso_image *image = current->mm->context.vdso_image;
108
109 if (image->size != new_size)
110 return -EINVAL;
111
112 if (is_ia32_task()) {
> 113 unsigned long vdso_land = vdso_image_32.sym_int80_landing_pad;
114 unsigned long old_land_addr = vdso_land +
115 (unsigned long)current->mm->context.vdso;
116

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[unhandled content-type:application/octet-stream]
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