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authorMiaohe Lin <linmiaohe@huawei.com>2022-04-28 23:16:06 -0700
committerakpm <akpm@linux-foundation.org>2022-04-28 23:16:06 -0700
commitda63dc84befaa9e6079a0bc363ff0eaa975f9073 (patch)
tree8beaee3e664cf9969390914c52d9b000d277e5a9 /drivers
parent4af12d04e71c2d0d961c4921602e577d6cc6010e (diff)
downloadlinux-da63dc84befaa9e6079a0bc363ff0eaa975f9073.tar.gz
drivers/base/node.c: fix compaction sysfs file leak
Compaction sysfs file is created via compaction_register_node in
register_node.  But we forgot to remove it in unregister_node.  Thus
compaction sysfs file is leaked.  Using compaction_unregister_node to fix
this issue.

Link: https://lkml.kernel.org/r/20220401070905.43679-1-linmiaohe@huawei.com
Fixes: ed4a6d7f0676 ("mm: compaction: add /sys trigger for per-node memory compaction")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/node.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index ec8bb24a5a22..0ac6376ef7a1 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -682,6 +682,7 @@ static int register_node(struct node *node, int num)
  */
 void unregister_node(struct node *node)
 {
+	compaction_unregister_node(node);
 	hugetlb_unregister_node(node);		/* no-op, if memoryless node */
 	node_remove_accesses(node);
 	node_remove_caches(node);