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From:   Muchun Song <songmuchun@bytedance.com>
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        mhocko@kernel.org, vdavydov.dev@gmail.com, shakeelb@google.com,
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Cc:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linux-nfs@vger.kernel.org,
        zhengqi.arch@bytedance.com, duanxiongchun@bytedance.com,
        fam.zheng@bytedance.com, Muchun Song <songmuchun@bytedance.com>
Subject: [PATCH 11/17] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry
Date:   Tue, 11 May 2021 18:46:41 +0800
Message-Id: <20210511104647.604-12-songmuchun@bytedance.com>
In-Reply-To: <20210511104647.604-1-songmuchun@bytedance.com>
References: <20210511104647.604-1-songmuchun@bytedance.com>
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The dentry will be added to its list_lru, so we should also allocate the
lru list. Replace kmem_cache_alloc() with kmem_cache_alloc_lru().

Signed-off-by: Muchun Song <songmuchun@bytedance.com>
---
 fs/dcache.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index cf871a81f4fd..36d4806d7284 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1741,7 +1741,8 @@ static struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
 	char *dname;
 	int err;
 
-	dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
+	dentry = kmem_cache_alloc_lru(dentry_cache, &sb->s_dentry_lru,
+				      GFP_KERNEL);
 	if (!dentry)
 		return NULL;
 
-- 
2.11.0