Hi, [auto build test ERROR on next-20160520] [cannot apply to tip/x86/core net-next/master v4.6-rc7 v4.6-rc6 v4.6-rc5 v4.6] [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/Vladimir-Davydov/mm-remove-pointless-struct-in-struct-page-definition/20160523-182939 config: um-x86_64_defconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=um SUBARCH=x86_64 Note: the linux-review/Vladimir-Davydov/mm-remove-pointless-struct-in-struct-page-definition/20160523-182939 HEAD 08a247942f52ec5444ba2a0d3c951358640eccf5 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): fs/built-in.o: In function `anon_pipe_buf_steal': >> fs/pipe.c:147: undefined reference to `memcg_kmem_uncharge' collect2: error: ld returned 1 exit status vim +147 fs/pipe.c 141 static int anon_pipe_buf_steal(struct pipe_inode_info *pipe, 142 struct pipe_buffer *buf) 143 { 144 struct page *page = buf->page; 145 146 if (page_count(page) == 1) { > 147 memcg_kmem_uncharge(page, 0); 148 __ClearPageKmemcg(page); 149 __SetPageLocked(page); 150 return 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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