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Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 427bb291dd0f..3ad25f9d1fc1 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -512,19 +512,20 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages)
zone->present_pages += onlined_pages;
zone->zone_pgdat->node_present_pages += onlined_pages;
- if (need_zonelists_rebuild)
- build_all_zonelists(zone);
- else
- zone_pcp_update(zone);
+ if (onlined_pages) {
+ node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
+ if (need_zonelists_rebuild)
+ build_all_zonelists(NULL, zone);
+ else
+ zone_pcp_update(zone);
+ }
mutex_unlock(&zonelists_mutex);
init_per_zone_wmark_min();
- if (onlined_pages) {
+ if (onlined_pages)
kswapd_run(zone_to_nid(zone));
- node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
- }
vm_total_pages = nr_free_pagecache_pages();
@@ -562,7 +563,7 @@ static pg_data_t __ref *hotadd_new_pgdat(int nid, u64 start)
* to access not-initialized zonelist, build here.
*/
mutex_lock(&zonelists_mutex);
- build_all_zonelists(NULL);
+ build_all_zonelists(pgdat, NULL);
mutex_unlock(&zonelists_mutex);
return pgdat;
@@ -965,6 +966,9 @@ repeat:
init_per_zone_wmark_min();
+ if (!populated_zone(zone))
+ zone_pcp_reset(zone);
+
if (!node_present_pages(node)) {
node_clear_state(node, N_HIGH_MEMORY);
kswapd_stop(node);