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Subject[PATCH 7/9] mm/damon/dbgfs: rename monitor_on file to monitor_on_DEPRECATED
Date
Kernel builders could silently enable CONFIG_DAMON_DBGFS_DEPRECATED.
Users who manually check the files under the DAMON debugfs directory
could notice the deprecation owing to the 'DEPRECATED' DAMON debugfs
file, but there could be users who doesn't manually check the files.

Make the deprecation cannot be ignored in the case by renaming
'monitor_on' file, which is essential for real use of DAMON on runtime,
to 'monitor_on_DEPRECATED'. Still users who control DAMON via only
user-space tool could ignore the deprecation, but that's what the tool
developers should take care of. DAMON user-space tool, damo, has also
made a change[1] for the purpose.

[1] commit 935dae76f2aee ("_damon_args: Rename --damon_interface to
--damon_interface_DEPRECATED") of https://github.com/awslabs/damo

Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/dbgfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
index fbc0cd63f34c..f7abbc0633aa 100644
--- a/mm/damon/dbgfs.c
+++ b/mm/damon/dbgfs.c
@@ -1091,7 +1091,7 @@ static int __init __damon_dbgfs_init(void)
{
struct dentry *dbgfs_root;
const char * const file_names[] = {"mk_contexts", "rm_contexts",
- "monitor_on", "DEPRECATED"};
+ "monitor_on_DEPRECATED", "DEPRECATED"};
const struct file_operations *fops[] = {&mk_contexts_fops,
&rm_contexts_fops, &monitor_on_fops, &deprecated_fops};
int i;
--
2.39.2

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