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-rw-r--r--mm/page_alloc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5953dc2..ef025e2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4449,6 +4449,11 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
int ret;
pgdat_resize_init(pgdat);
+#ifdef CONFIG_NUMA_BALANCING
+ spin_lock_init(&pgdat->numabalancing_migrate_lock);
+ pgdat->numabalancing_migrate_nr_pages = 0;
+ pgdat->numabalancing_migrate_next_window = jiffies;
+#endif
init_waitqueue_head(&pgdat->kswapd_wait);
init_waitqueue_head(&pgdat->pfmemalloc_wait);
pgdat_page_cgroup_init(pgdat);
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