Hi Peter, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git schednuma2 head: fd954115e6614c4302be92943ad9128aff5d3f83 commit: 3eb4d9e90bb65e0d3bfac0d9a39b4e489ae00f34 [18/20] sched, numa: Per task memory placement for big processes config: x86_64-randconfig-x690 (attached as .config) All related error/warning messages: mm/huge_memory.c: In function 'do_huge_pmd_prot_none': mm/huge_memory.c:760:6: warning: unused variable 'node' [-Wunused-variable] mm/huge_memory.c: In function '__split_huge_page_refcount': mm/huge_memory.c:1369:12: error: 'struct page' has no member named 'nid_last' mm/huge_memory.c:1369:29: error: 'struct page' has no member named 'nid_last' -- mm/memory.c: In function 'do_prot_none': mm/memory.c:3458:6: warning: unused variable 'node' [-Wunused-variable] vim +1369 mm/huge_memory.c 1366 page_tail->mapping = page->mapping; 1367 1368 page_tail->index = page->index + i; > 1369 page_tail->nid_last = page->nid_last; 1370 1371 BUG_ON(!PageAnon(page_tail)); 1372 BUG_ON(!PageUptodate(page_tail)); --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation