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-rw-r--r--arch/ia64/mm/discontig.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 83153ac..9153465 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -308,6 +308,17 @@ static void __init reserve_pernode_space(void)
}
}
+static void __meminit scatter_node_data(void)
+{
+ pg_data_t **dst;
+ int node;
+
+ for_each_online_node(node) {
+ dst = LOCAL_DATA_ADDR(pgdat_list[node])->pg_data_ptrs;
+ memcpy(dst, pgdat_list, sizeof(pgdat_list));
+ }
+}
+
/**
* initialize_pernode_data - fixup per-cpu & per-node pointers
*
@@ -320,11 +331,8 @@ static void __init initialize_pernode_data(void)
{
int cpu, node;
- /* Copy the pg_data_t list to each node and init the node field */
- for_each_online_node(node) {
- memcpy(mem_data[node].node_data->pg_data_ptrs, pgdat_list,
- sizeof(pgdat_list));
- }
+ scatter_node_data();
+
#ifdef CONFIG_SMP
/* Set the node_data pointer for each per-cpu struct */
for (cpu = 0; cpu < NR_CPUS; cpu++) {
@@ -783,3 +791,9 @@ void __init paging_init(void)
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
+
+void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
+{
+ pgdat_list[update_node] = update_pgdat;
+ scatter_node_data();
+}
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