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Date:   Thu, 15 Apr 2021 11:47:36 -0400
From:   Masayoshi Mizuma <msys.mizuma@gmail.com>
To:     Waiman Long <llong@redhat.com>
Cc:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Vladimir Davydov <vdavydov.dev@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>,
        Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Vlastimil Babka <vbabka@suse.cz>, Roman Gushchin <guro@fb.com>,
        linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
        linux-mm@kvack.org, Shakeel Butt <shakeelb@google.com>,
        Muchun Song <songmuchun@bytedance.com>,
        Alex Shi <alex.shi@linux.alibaba.com>,
        Chris Down <chris@chrisdown.name>,
        Yafang Shao <laoar.shao@gmail.com>,
        Wei Yang <richard.weiyang@gmail.com>,
        Xing Zhengjun <zhengjun.xing@linux.intel.com>
Subject: Re: [PATCH v3 0/5] mm/memcg: Reduce kmemcache memory accounting
 overhead
Message-ID: <20210415154736.snzrxq625p5l4lz2@gabell>
References: <20210414012027.5352-1-longman@redhat.com>
 <20210415032642.gfaevezaxoj4od3d@gabell>
 <12cba05a-e268-3a5d-69d7-feb00e36ef40@redhat.com>
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On Thu, Apr 15, 2021 at 09:17:37AM -0400, Waiman Long wrote:
> I was focusing on your kernel module benchmark in testing my patch. I will
> try out your pgbench benchmark to see if there can be other tuning that can
> be done.

Thanks a lot!

> BTW, how many numa nodes does your test machine? I did my testing with a
> 2-socket system. The vmstat caching part may be less effective on systems
> with more numa nodes. I will try to find a larger 4-socket systems for
> testing.

The test machine has one node.

- Masa