linux-kernel - [PATCH] mm/z3fold: remove unneeded spinlock

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Message-Id: <20240204125404.2112384-1-hezhongkun.hzk@bytedance.com>
Date: Sun,  4 Feb 2024 20:54:04 +0800
From: Zhongkun He <hezhongkun.hzk@...edance.com>
To: akpm@...ux-foundation.org
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Zhongkun He <hezhongkun.hzk@...edance.com>
Subject: [PATCH] mm/z3fold: remove unneeded spinlock

There is no need to use spinlock in this section, so
remove it.

Signed-off-by: Zhongkun He <hezhongkun.hzk@...edance.com>
---
 mm/z3fold.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 7c76b396b74c..7f608c0667f3 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -442,8 +442,6 @@ static void __release_z3fold_page(struct z3fold_header *zhdr, bool locked)
 	WARN_ON(!list_empty(&zhdr->buddy));
 	set_bit(PAGE_STALE, &page->private);
 	clear_bit(NEEDS_COMPACTING, &page->private);
-	spin_lock(&pool->lock);
-	spin_unlock(&pool->lock);
 
 	if (locked)
 		z3fold_page_unlock(zhdr);
-- 
2.20.1