Messages in this thread | | | Date | Tue, 1 Mar 2016 04:13:04 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH] mm, fork: make dup_mmap wait for mmap_sem for write killable |
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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-fork-make-dup_mmap-wait-for-mmap_sem-for-write-killable/20160301-021107 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 >>):
kernel/fork.c: In function 'dup_mmap': >> kernel/fork.c:405:2: error: implicit declaration of function 'down_write_killable' [-Werror=implicit-function-declaration] if (down_write_killable(&oldmm->mmap_sem)) { ^ cc1: some warnings being treated as errors
vim +/down_write_killable +405 kernel/fork.c
399 struct vm_area_struct *mpnt, *tmp, *prev, **pprev; 400 struct rb_node **rb_link, *rb_parent; 401 int retval; 402 unsigned long charge; 403 404 uprobe_start_dup_mmap(); > 405 if (down_write_killable(&oldmm->mmap_sem)) { 406 retval = -EINTR; 407 goto fail_uprobe_end; 408 }
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