linux-kernel - [PATCH v3] mm/rmap: rename page__anon_vma to anon

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Message-Id: <20250421015823.32009-1-ye.liu@linux.dev>
Date: Mon, 21 Apr 2025 09:58:23 +0800
From: Ye Liu <ye.liu@...ux.dev>
To: akpm@...ux-foundation.org,
	nao.horiguchi@...il.com,
	linmiaohe@...wei.com
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com,
	david@...hat.com,
	harry.yoo@...cle.com,
	riel@...riel.com,
	vbabka@...e.cz,
	liuye@...inos.cn,
	ye.liu@...ux.dev
Subject: [PATCH v3] mm/rmap: rename page__anon_vma to anon_vma for consistency

From: Ye Liu <liuye@...inos.cn>

Renamed local variable page__anon_vma in page_address_in_vma() to
anon_vma. The previous naming convention of using double underscores
(__) is unnecessary and inconsistent with typical kernel style, which uses
single underscores to denote local variables. Also updated comments to
reflect the new variable name.

Functionality unchanged.

Signed-off-by: Ye Liu <liuye@...inos.cn>

Changes in v3:
- Rename variable from page_anon_vma to anon_vma.
---
 mm/rmap.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 67bb273dfb80..447e5b57e44f 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -789,13 +789,13 @@ unsigned long page_address_in_vma(const struct folio *folio,
 		const struct page *page, const struct vm_area_struct *vma)
 {
 	if (folio_test_anon(folio)) {
-		struct anon_vma *page__anon_vma = folio_anon_vma(folio);
+		struct anon_vma *anon_vma = folio_anon_vma(folio);
 		/*
 		 * Note: swapoff's unuse_vma() is more efficient with this
 		 * check, and needs it to match anon_vma when KSM is active.
 		 */
-		if (!vma->anon_vma || !page__anon_vma ||
-		    vma->anon_vma->root != page__anon_vma->root)
+		if (!vma->anon_vma || !anon_vma ||
+		    vma->anon_vma->root != anon_vma->root)
 			return -EFAULT;
 	} else if (!vma->vm_file) {
 		return -EFAULT;
@@ -803,7 +803,7 @@ unsigned long page_address_in_vma(const struct folio *folio,
 		return -EFAULT;
 	}
 
-	/* KSM folios don't reach here because of the !page__anon_vma check */
+	/* KSM folios don't reach here because of the !anon_vma check */
 	return vma_address(vma, page_pgoff(folio, page), 1);
 }
 
-- 
2.25.1