linux-kernel - [PATCH] mm: zswap: remove unused tree argument in zswap_entry

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Date: Thu, 25 Jan 2024 08:14:23 +0000
From: Yosry Ahmed <yosryahmed@...gle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Johannes Weiner <hannes@...xchg.org>, Nhat Pham <nphamcs@...il.com>, 
	Chengming Zhou <zhouchengming@...edance.com>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, Yosry Ahmed <yosryahmed@...gle.com>
Subject: [PATCH] mm: zswap: remove unused tree argument in zswap_entry_put()

Commit 7310895779624 ("mm: zswap: tighten up entry invalidation")
removed the usage of tree argument, delete it.

Signed-off-by: Yosry Ahmed <yosryahmed@...gle.com>
---
 mm/zswap.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 78df16d307aa8..8f4a7efc2bdae 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -569,8 +569,7 @@ static void zswap_entry_get(struct zswap_entry *entry)
 /* caller must hold the tree lock
 * remove from the tree and free it, if nobody reference the entry
 */
-static void zswap_entry_put(struct zswap_tree *tree,
-			struct zswap_entry *entry)
+static void zswap_entry_put(struct zswap_entry *entry)
 {
 	int refcount = --entry->refcount;
 
@@ -853,7 +852,7 @@ static void zswap_invalidate_entry(struct zswap_tree *tree,
 				   struct zswap_entry *entry)
 {
 	if (zswap_rb_erase(&tree->rbroot, entry))
-		zswap_entry_put(tree, entry);
+		zswap_entry_put(entry);
 }
 
 static enum lru_status shrink_memcg_cb(struct list_head *item, struct list_lru_one *l,
@@ -924,7 +923,7 @@ static enum lru_status shrink_memcg_cb(struct list_head *item, struct list_lru_o
 
 put_unlock:
 	/* Drop local reference */
-	zswap_entry_put(tree, entry);
+	zswap_entry_put(entry);
 unlock:
 	spin_unlock(&tree->lock);
 	spin_lock(lock);
@@ -1754,7 +1753,7 @@ bool zswap_load(struct folio *folio)
 		zswap_lru_del(&entry->pool->list_lru, entry);
 		zswap_lru_add(&entry->pool->list_lru, entry);
 	}
-	zswap_entry_put(tree, entry);
+	zswap_entry_put(entry);
 	spin_unlock(&tree->lock);
 
 	return true;
-- 
2.43.0.429.g432eaa2c6b-goog