numa: convert static memory to dynamically allocated memory for per node device
We use a static array to store struct node. In many cases, we don't have
too many nodes, and some memory will be unused. Convert it to per-device
dynamically allocated memory.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 59a0059..1ef2cd4 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1800,7 +1800,7 @@
* remove hstate attributes from any nodes that have them.
*/
for (nid = 0; nid < nr_node_ids; nid++)
- hugetlb_unregister_node(&node_devices[nid]);
+ hugetlb_unregister_node(node_devices[nid]);
}
/*
@@ -1845,7 +1845,7 @@
int nid;
for_each_node_state(nid, N_HIGH_MEMORY) {
- struct node *node = &node_devices[nid];
+ struct node *node = node_devices[nid];
if (node->dev.id == nid)
hugetlb_register_node(node);
}