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mm/damon/dbgfs: rename monitor_on file to monitor_on_DEPRECATED

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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

Link: https://lkml.kernel.org/r/20240130013549.89538-8-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Hu Haowen <2023002089@link.tyut.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2024-01-29 17:35:46 -08:00 committed by Andrew Morton
parent 8d1d3807d5
commit 772333cb2a
1 changed files with 1 additions and 1 deletions
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mm/damon/dbgfs.c
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@ -1090,7 +1090,7 @@ 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;