The patch titled
Subject: mm: shrinkers: fix debugfs file permissions
has been added to the -mm mm-unstable branch. Its filename is
mm-shrinkers-fix-debugfs-file-permissions.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-shrinkers-fix-debugfs-file-permissions.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: John Keeping <john@xxxxxxxxxxxx>
Subject: mm: shrinkers: fix debugfs file permissions
Date: Tue, 18 Apr 2023 11:19:05 +0100
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.
Link: https://lkml.kernel.org/r/20230418101906.3131303-1-john@xxxxxxxxxxxx
Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shrinker_debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/shrinker_debug.c~mm-shrinkers-fix-debugfs-file-permissions
+++ a/mm/shrinker_debug.c
@@ -189,9 +189,9 @@ int shrinker_debugfs_add(struct 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;
}
_
Patches currently in -mm which might be from john@xxxxxxxxxxxx are
mm-shrinkers-fix-debugfs-file-permissions.patch
