tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 49afce6d47fe05ee01f1a41129b835fe4cca7eea commit: 95ae151fc7286b8ce0e079321e95c76e5c071ca0 [5734/8210] mm, meminit: recalculate pcpu batch and high limits after init completes config: x86_64-randconfig-g004-201943 (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: git checkout 95ae151fc7286b8ce0e079321e95c76e5c071ca0 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD 49afce6d47fe05ee01f1a41129b835fe4cca7eea builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): ld: mm/page_alloc.o: in function `page_alloc_init_late': >> mm/page_alloc.c:1956: undefined reference to `zone_pcp_update' vim +1956 mm/page_alloc.c 1940 1941 /* There will be num_node_state(N_MEMORY) threads */ 1942 atomic_set(&pgdat_init_n_undone, num_node_state(N_MEMORY)); 1943 for_each_node_state(nid, N_MEMORY) { 1944 kthread_run(deferred_init_memmap, NODE_DATA(nid), "pgdatinit%d", nid); 1945 } 1946 1947 /* Block until all are initialised */ 1948 wait_for_completion(&pgdat_init_all_done_comp); 1949 1950 /* 1951 * The number of managed pages has changed due to the initialisation 1952 * so the pcpu batch and high limits needs to be updated or the limits 1953 * will be artificially small. 1954 */ 1955 for_each_populated_zone(zone) > 1956 zone_pcp_update(zone); 1957 1958 /* 1959 * We initialized the rest of the deferred pages. Permanently disable 1960 * on-demand struct page initialization. 1961 */ 1962 static_branch_disable(&deferred_pages); 1963 1964 /* Reinit limits that are based on free pages after the kernel is up */ 1965 files_maxfiles_init(); 1966 #endif 1967 1968 /* Discard memblock private memory */ 1969 memblock_discard(); 1970 1971 for_each_node_state(nid, N_MEMORY) 1972 shuffle_free_memory(NODE_DATA(nid)); 1973 1974 for_each_populated_zone(zone) 1975 set_zone_contiguous(zone); 1976 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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