diff options
Diffstat (limited to 'mm/mm_init.c')
| -rw-r--r-- | mm/mm_init.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c index 25a585cb0c0a..122e9bf3fa73 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1509,6 +1509,8 @@ void __ref free_area_init_core_hotplug(struct pglist_data *pgdat) pgdat->kswapd_order = 0; pgdat->kswapd_highest_zoneidx = 0; pgdat->node_start_pfn = 0; + pgdat->node_present_pages = 0; + for_each_online_cpu(cpu) { struct per_cpu_nodestat *p; @@ -1516,8 +1518,17 @@ void __ref free_area_init_core_hotplug(struct pglist_data *pgdat) memset(p, 0, sizeof(*p)); } - for (z = 0; z < MAX_NR_ZONES; z++) - zone_init_internals(&pgdat->node_zones[z], z, nid, 0); + /* + * When memory is hot-added, all the memory is in offline state. So + * clear all zones' present_pages and managed_pages because they will + * be updated in online_pages() and offline_pages(). + */ + for (z = 0; z < MAX_NR_ZONES; z++) { + struct zone *zone = pgdat->node_zones + z; + + zone->present_pages = 0; + zone_init_internals(zone, z, nid, 0); + } } #endif |