Hi Michal,
[auto build test ERROR on v4.5-rc6]
[also build test ERROR on next-20160229]
[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/Michal-Hocko/mm-proc-make-clear_refs-killable/20160301-020426
config: x86_64-lkp (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
fs/proc/task_mmu.c: In function 'clear_refs_write':quoted
fs/proc/task_mmu.c:1016:4: error: implicit declaration of function 'down_write_killable' [-Werror=implicit-function-declaration]
if (down_write_killable(&mm->mmap_sem)) {
^
cc1: some warnings being treated as errors
vim +/down_write_killable +1016 fs/proc/task_mmu.c
1010 .test_walk = clear_refs_test_walk,
1011 .mm = mm,
1012 .private = &cp,
1013 };
1014
1015 if (type == CLEAR_REFS_MM_HIWATER_RSS) {1016 if (down_write_killable(&mm->mmap_sem)) {
1017 count = -EINTR;
1018 goto out_mm;
1019 }
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation