Hi Pavel, Thank you for the patch! Yet something to improve: [auto build test ERROR on mmotm/master] [also build test ERROR on next-20180201] [cannot apply to v4.15] [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/Pavel-Tatashin/mm-optimize-memory-hotplug/20180202-125437 base: git://git.cmpxchg.org/linux-mmotm.git master config: x86_64-randconfig-x017-201804 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): mm/page_alloc.c: In function 'init_reserved_page': >> mm/page_alloc.c:1215:44: error: 'zone' undeclared (first use in this function) __init_single_page(pfn_to_page(pfn), pfn, zone, nid); ^~~~ mm/page_alloc.c:1215:44: note: each undeclared identifier is reported only once for each function it appears in vim +/zone +1215 mm/page_alloc.c 1196 1197 #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT 1198 static void __meminit init_reserved_page(unsigned long pfn) 1199 { 1200 pg_data_t *pgdat; 1201 int nid, zid; 1202 1203 if (!early_page_uninitialised(pfn)) 1204 return; 1205 1206 nid = early_pfn_to_nid(pfn); 1207 pgdat = NODE_DATA(nid); 1208 1209 for (zid = 0; zid < MAX_NR_ZONES; zid++) { 1210 struct zone *zone = &pgdat->node_zones[zid]; 1211 1212 if (pfn >= zone->zone_start_pfn && pfn < zone_end_pfn(zone)) 1213 break; 1214 } > 1215 __init_single_page(pfn_to_page(pfn), pfn, zone, nid); 1216 } 1217 #else 1218 static inline void init_reserved_page(unsigned long pfn) 1219 { 1220 } 1221 #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ 1222 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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