Re: [PATCH v5 07/16] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry

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To: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Subject: Re: [PATCH v5 07/16] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry
From: Roman Gushchin <guro@xxxxxx>
Date: Tue, 11 Jan 2022 11:05:30 -0800
Cc: <willy@xxxxxxxxxxxxx>, <akpm@xxxxxxxxxxxxxxxxxxxx>, <hannes@xxxxxxxxxxx>, <mhocko@xxxxxxxxxx>, <vdavydov.dev@xxxxxxxxx>, <shakeelb@xxxxxxxxxx>, <shy828301@xxxxxxxxx>, <alexs@xxxxxxxxxx>, <richard.weiyang@xxxxxxxxx>, <david@xxxxxxxxxxxxx>, <trond.myklebust@xxxxxxxxxxxxxxx>, <anna.schumaker@xxxxxxxxxx>, <jaegeuk@xxxxxxxxxx>, <chao@xxxxxxxxxx>, <kari.argillander@xxxxxxxxx>, <linux-fsdevel@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <linux-nfs@xxxxxxxxxxxxxxx>, <zhengqi.arch@xxxxxxxxxxxxx>, <duanxiongchun@xxxxxxxxxxxxx>, <fam.zheng@xxxxxxxxxxxxx>, <smuchun@xxxxxxxxx>
In-reply-to: <20211220085649.8196-8-songmuchun@bytedance.com>
References: <20211220085649.8196-1-songmuchun@bytedance.com> <20211220085649.8196-8-songmuchun@bytedance.com>

On Mon, Dec 20, 2021 at 04:56:40PM +0800, Muchun Song wrote:
> Like inode cache, the dentry will also be added to its memcg list_lru.
> So replace kmem_cache_alloc() with kmem_cache_alloc_lru() to allocate
> dentry.
> 
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Acked-by: Roman Gushchin <guro@xxxxxx>

References:
- [PATCH v5 00/16] Optimize list lru memory consumption
  - From: Muchun Song
- [PATCH v5 07/16] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry
  - From: Muchun Song

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