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SubjectRe: [PATCHv4] mm/gup: Cache dev_pagemap while pinning pages
Hi Keith,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc7 next-20181011]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

config: microblaze-nommu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 8.1.0
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=8.1.0 make.cross ARCH=microblaze

All errors (new ones prefixed by >>):

>> mm/nommu.c:1714:1: error: expected identifier or '(' before '{' token

vim +1714 mm/nommu.c

^1da177e Linus Torvalds 2005-04-16 1711
9d889fcc Keith Busch 2018-10-10 1712 struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
9d889fcc Keith Busch 2018-10-10 1713 unsigned int foll_flags);
^1da177e Linus Torvalds 2005-04-16 @1714 {
^1da177e Linus Torvalds 2005-04-16 1715 return NULL;
^1da177e Linus Torvalds 2005-04-16 1716 }
^1da177e Linus Torvalds 2005-04-16 1717

:::::: The code at line 1714 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <>
:::::: CC: Linus Torvalds <>

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation
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