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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-18 16:53:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-18 16:53:38 +0200
commit5895db67c12464003afd16c08049b73aa09e58ea (patch)
treec3855a7ab889dffc2a02460f65abbbe6b800b6e6 /mm/shrinker_debug.c
parent1c5f3df9481bb6275aeb079a8312d037da69715b (diff)
parentf89c296854b755a66657065c35b05406fc18264d (diff)
Merge v6.18.39linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/shrinker_debug.c')
-rw-r--r--mm/shrinker_debug.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c
index 20eaee3e97f7..5de59e853b07 100644
--- a/mm/shrinker_debug.c
+++ b/mm/shrinker_debug.c
@@ -57,8 +57,6 @@ static int shrinker_debugfs_count_show(struct seq_file *m, void *v)
if (!count_per_node)
return -ENOMEM;
- rcu_read_lock();
-
memcg_aware = shrinker->flags & SHRINKER_MEMCG_AWARE;
memcg = mem_cgroup_iter(NULL, NULL, NULL);
@@ -88,8 +86,6 @@ static int shrinker_debugfs_count_show(struct seq_file *m, void *v)
}
} while ((memcg = mem_cgroup_iter(NULL, memcg, NULL)) != NULL);
- rcu_read_unlock();
-
kfree(count_per_node);
return ret;
}
@@ -186,10 +182,12 @@ int shrinker_debugfs_add(struct shrinker *shrinker)
}
shrinker->debugfs_entry = entry;
- debugfs_create_file("count", 0440, entry, shrinker,
- &shrinker_debugfs_count_fops);
- debugfs_create_file("scan", 0220, entry, shrinker,
- &shrinker_debugfs_scan_fops);
+ if (shrinker->count_objects)
+ debugfs_create_file("count", 0440, entry, shrinker,
+ &shrinker_debugfs_count_fops);
+ if (shrinker->scan_objects)
+ debugfs_create_file("scan", 0220, entry, shrinker,
+ &shrinker_debugfs_scan_fops);
return 0;
}