Hi David, I love your patch! Yet something to improve:
[auto build test ERROR on mmotm/master] url: https://github.com/0day-ci/linux/commits/David-Hildenbrand/mm-memory_hotplug-Shrink-zones-before-removing-memory/20191002-054310 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-g004-201939 (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): mm/memory_hotplug.c: In function '__remove_zone': >> mm/memory_hotplug.c:471:24: error: 'ZONE_DEVICE' undeclared (first use in >> this function); did you mean 'ZONE_MOVABLE'? if (zone_idx(zone) == ZONE_DEVICE) ^~~~~~~~~~~ ZONE_MOVABLE mm/memory_hotplug.c:471:24: note: each undeclared identifier is reported only once for each function it appears in vim +471 mm/memory_hotplug.c 459 460 static void __remove_zone(struct zone *zone, unsigned long start_pfn, 461 unsigned long nr_pages) 462 { 463 struct pglist_data *pgdat = zone->zone_pgdat; 464 unsigned long flags; 465 466 /* 467 * Zone shrinking code cannot properly deal with ZONE_DEVICE. So 468 * we will not try to shrink the zones - which is okay as 469 * set_zone_contiguous() cannot deal with ZONE_DEVICE either way. 470 */ > 471 if (zone_idx(zone) == ZONE_DEVICE) 472 return; 473 474 pgdat_resize_lock(zone->zone_pgdat, &flags); 475 shrink_zone_span(zone, start_pfn, start_pfn + nr_pages); 476 update_pgdat_span(pgdat); 477 pgdat_resize_unlock(zone->zone_pgdat, &flags); 478 } 479 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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