The patch titled
Subject: drivers/base/node.c: fix compaction sysfs file leak
has been added to the -mm tree. Its filename is
drivers-base-nodec-fix-compaction-sysfs-file-leak.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/drivers-base-nodec-fix-compaction-sysfs-file-leak.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/drivers-base-nodec-fix-compaction-sysfs-file-leak.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Fixes: ed4a6d7f0676 ("mm: compaction: add /sys trigger for per-node memory compaction")
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Rafael J. Wysocki <rafael@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/node.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/base/node.c~drivers-base-nodec-fix-compaction-sysfs-file-leak
+++ a/drivers/base/node.c
@@ -682,6 +682,7 @@ static int register_node(struct node *no
*/
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);
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-mempolicy-fix-mpol_new-leak-in-shared_policy_replace.patch
mm-shmem-make-shmem_init-return-void.patch
mm-memcg-remove-unneeded-nr_scanned.patch
mm-mmapc-use-helper-mlock_future_check.patch
mm-mremap-use-helper-mlock_future_check.patch
mm-mremap-avoid-unneeded-do_munmap-call.patch
mm-z3fold-declare-z3fold_mount-with-__init.patch
mm-z3fold-remove-obsolete-comment-in-z3fold_alloc.patch
mm-z3fold-minor-clean-up-for-z3fold_free.patch
mm-z3fold-remove-unneeded-page_mapcount_reset-and-clearpageprivate.patch
mm-z3fold-remove-confusing-local-variable-l-reassignment.patch
mm-z3fold-move-decrement-of-pool-pages_nr-into-__release_z3fold_page.patch
mm-z3fold-remove-redundant-list_del_init-of-zhdr-buddy-in-z3fold_free.patch
mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch
mm-compaction-use-helper-isolation_suitable.patch
drivers-base-nodec-fix-compaction-sysfs-file-leak.patch
mm-migration-remove-unneeded-local-variable-mapping_locked.patch
mm-migration-remove-unneeded-out-label.patch
mm-migration-remove-unneeded-local-variable-page_lru.patch
mm-migration-fix-the-confusing-pagetranshuge-check.patch
mm-migration-use-helper-function-vma_lookup-in-add_page_for_migration.patch
mm-migration-use-helper-macro-min-in-do_pages_stat.patch
mm-migration-avoid-unneeded-nodemask_t-initialization.patch
mm-migration-remove-some-duplicated-codes-in-migrate_pages.patch
mm-migration-fix-potential-page-refcounts-leak-in-migrate_pages.patch
mm-migration-fix-potential-invalid-node-access-for-reclaim-based-migration.patch
mm-migration-fix-possible-do_pages_stat_array-racing-with-memory-offline.patch
