linux-kernel - [PATCH 1/2] mm/page_owner: Rename proc-prefixed variables for clarity

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Message-Id: <20250930092153.843109-1-husong@kylinos.cn>
Date: Tue, 30 Sep 2025 17:21:51 +0800
From: Hu Song <husong@...inos.cn>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Vlastimil Babka <vbabka@...e.cz>
Cc: Song Hu <husong@...inos.cn>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...e.com>,
	Brendan Jackman <jackmanb@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Zi Yan <ziy@...dia.com>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] mm/page_owner: Rename proc-prefixed variables for clarity

From: Song Hu <husong@...inos.cn>

The `proc_page_owner_operations` and related variables were renamed to
`page_owner_fops` to better reflect their association with `debugfs` rather
than `/proc`. This improves code clarity and aligns with kernel naming
conventions.

Signed-off-by: Song Hu <husong@...inos.cn>
---
 mm/page_owner.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/mm/page_owner.c b/mm/page_owner.c
index c3ca21132c2c..bb88b72b6062 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -848,7 +848,7 @@ static void init_early_allocated_pages(void)
 		init_zones_in_node(pgdat);
 }
 
-static const struct file_operations proc_page_owner_operations = {
+static const struct file_operations page_owner_fops = {
 	.read		= read_page_owner,
 	.llseek		= lseek_page_owner,
 };
@@ -929,7 +929,7 @@ static int page_owner_stack_open(struct inode *inode, struct file *file)
 	return seq_open_private(file, &page_owner_stack_op, 0);
 }
 
-static const struct file_operations page_owner_stack_operations = {
+static const struct file_operations page_owner_stack_fops = {
 	.open		= page_owner_stack_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -948,7 +948,7 @@ static int page_owner_threshold_set(void *data, u64 val)
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(proc_page_owner_threshold, &page_owner_threshold_get,
+DEFINE_SIMPLE_ATTRIBUTE(page_owner_threshold_fops, &page_owner_threshold_get,
 			&page_owner_threshold_set, "%llu");
 
 
@@ -961,13 +961,12 @@ static int __init pageowner_init(void)
 		return 0;
 	}
 
-	debugfs_create_file("page_owner", 0400, NULL, NULL,
-			    &proc_page_owner_operations);
+	debugfs_create_file("page_owner", 0400, NULL, NULL, &page_owner_fops);
 	dir = debugfs_create_dir("page_owner_stacks", NULL);
 	debugfs_create_file("show_stacks", 0400, dir, NULL,
-			    &page_owner_stack_operations);
+			     &page_owner_stack_fops);
 	debugfs_create_file("count_threshold", 0600, dir, NULL,
-			    &proc_page_owner_threshold);
+			    &page_owner_threshold_fops);
 
 	return 0;
 }
-- 
2.25.1