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-rw-r--r--mm/page_alloc.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b5240b7f642..809e27e77b3a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5478,11 +5478,9 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
*/
void __init setup_nr_node_ids(void)
{
- unsigned int node;
- unsigned int highest = 0;
+ unsigned int highest;
- for_each_node_mask(node, node_possible_map)
- highest = node;
+ highest = find_last_bit(node_possible_map.bits, MAX_NUMNODES);
nr_node_ids = highest + 1;
}
#endif