[PATCH] mm: shrinkers: fix debugfs file permissions

From: John Keeping
Date: Tue Apr 18 2023 - 06:19:55 EST


The permissions for the files here are swapped as "count" is read-only
and "scan" is write-only. While this doesn't really matter as these
permissions don't stop the files being opened for reading/writing as
appropriate, they are shown by "ls -l" and are confusing.

Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
---
mm/shrinker_debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c
index fdd155fd35ed..3f83b10c5031 100644
--- a/mm/shrinker_debug.c
+++ b/mm/shrinker_debug.c
@@ -189,9 +189,9 @@ int shrinker_debugfs_add(struct shrinker *shrinker)
}
shrinker->debugfs_entry = entry;

- debugfs_create_file("count", 0220, entry, shrinker,
+ debugfs_create_file("count", 0440, entry, shrinker,
&shrinker_debugfs_count_fops);
- debugfs_create_file("scan", 0440, entry, shrinker,
+ debugfs_create_file("scan", 0220, entry, shrinker,
&shrinker_debugfs_scan_fops);
return 0;
}
--
2.40.0