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authorMiaohe Lin <linmiaohe@huawei.com>2022-04-29 08:16:06 +0200
committerakpm <akpm@linux-foundation.org>2022-04-29 08:16:06 +0200
commitda63dc84befaa9e6079a0bc363ff0eaa975f9073 (patch)
tree8beaee3e664cf9969390914c52d9b000d277e5a9 /drivers/base/node.c
parentmm: compaction: use helper isolation_suitable() (diff)
downloadlinux-da63dc84befaa9e6079a0bc363ff0eaa975f9073.tar.xz
linux-da63dc84befaa9e6079a0bc363ff0eaa975f9073.zip
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/base/node.c')
-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);