Date:   Fri, 17 Dec 2021 13:12:55 +0000
From:   Matthew Wilcox <willy@infradead.org>
To:     xiaoqiang zhao <zhaoxiaoqiang007@gmail.com>
Cc:     Muchun Song <songmuchun@bytedance.com>, akpm@linux-foundation.org,
        hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com,
        shakeelb@google.com, guro@fb.com, shy828301@gmail.com,
        alexs@kernel.org, richard.weiyang@gmail.com, david@fromorbit.com,
        trond.myklebust@hammerspace.com, anna.schumaker@netapp.com,
        jaegeuk@kernel.org, chao@kernel.org, kari.argillander@gmail.com,
        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, smuchun@gmail.com
Subject: Re: [PATCH v4 00/17] Optimize list lru memory consumption
Message-ID: <YbyM17OMHlEmLfhH@casper.infradead.org>
References: <20211213165342.74704-1-songmuchun@bytedance.com>
 <745ddcd6-77e3-22e0-1f8e-e6b05c644eb4@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <745ddcd6-77e3-22e0-1f8e-e6b05c644eb4@gmail.com>
Precedence: bulk

On Fri, Dec 17, 2021 at 06:05:00PM +0800, xiaoqiang zhao wrote:
> 
> 
> 在 2021/12/14 0:53, Muchun Song 写道:
> > This series is based on Linux 5.16-rc3.
> > 
> > In our server, we found a suspected memory leak problem. The kmalloc-32
> > consumes more than 6GB of memory. Other kmem_caches consume less than 2GB
> > memory.
> > 
> > After our in-depth analysis, the memory consumption of kmalloc-32 slab
> > cache is the cause of list_lru_one allocation.
> 
> IIUC, you mean: "the memory consumption of kmalloc-32 slab cache is
> caused by list_lru_one allocation"
> 

Please trim the unnecessary parts.  You quoted almost 200 extra lines
after this that I (and everybody else reading) have to look through
to see if you said anything else.