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Message-Id: <20230718092136.1935789-1-shikemeng@huaweicloud.com>
Date:   Tue, 18 Jul 2023 17:21:36 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     shikemeng@...weicloud.com
Subject: [PATCH] mm/rmap: correct stale comment of rmap_walk_anon and rmap_walk_file

1. update page to folio in comment
2. add comment of new added @locked

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 mm/rmap.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 2668f5ea3534..1c0538fbb8f2 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -2402,11 +2402,12 @@ static struct anon_vma *rmap_walk_anon_lock(struct folio *folio,
 /*
  * rmap_walk_anon - do something to anonymous page using the object-based
  * rmap method
- * @page: the page to be handled
+ * @folio: the folio to be handled
  * @rwc: control variable according to each walk type
+ * @locked: caller holds relevant rmap lock
  *
- * Find all the mappings of a page using the mapping pointer and the vma chains
- * contained in the anon_vma struct it points to.
+ * Find all the mappings of a folio using the mapping pointer and the vma
+ * chains contained in the anon_vma struct it points to.
  */
 static void rmap_walk_anon(struct folio *folio,
 		struct rmap_walk_control *rwc, bool locked)
@@ -2450,10 +2451,11 @@ static void rmap_walk_anon(struct folio *folio,
 
 /*
  * rmap_walk_file - do something to file page using the object-based rmap method
- * @page: the page to be handled
+ * @folio: the folio to be handled
  * @rwc: control variable according to each walk type
+ * @locked: caller holds relevant rmap lock
  *
- * Find all the mappings of a page using the mapping pointer and the vma chains
+ * Find all the mappings of a folio using the mapping pointer and the vma chains
  * contained in the address_space struct it points to.
  */
 static void rmap_walk_file(struct folio *folio,
-- 
2.30.0

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