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Message-ID: <31d3f685-3017-25d8-5b0b-2795ed7049bc@bytedance.com>
Date:   Fri, 23 Jun 2023 20:50:41 +0800
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Subject: Re: [External] Re: [PATCH 01/29] mm: shrinker: add
 shrinker::private_data field
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To:     Vlastimil Babka <vbabka@suse.cz>, akpm@linux-foundation.org,
        david@fromorbit.com, tkhai@ya.ru, roman.gushchin@linux.dev,
        djwong@kernel.org, brauner@kernel.org, paulmck@kernel.org,
        tytso@mit.edu
Cc:     linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-arm-msm@vger.kernel.org, dm-devel@redhat.com,
        linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org,
        virtualization@lists.linux-foundation.org,
        linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-nfs@vger.kernel.org, linux-xfs@vger.kernel.org,
        linux-btrfs@vger.kernel.org
References: <20230622085335.77010-1-zhengqi.arch@bytedance.com>
 <20230622085335.77010-2-zhengqi.arch@bytedance.com>
 <b04a0191-fa27-f8dc-440c-ec363d9c0636@suse.cz>
From:   Qi Zheng <zhengqi.arch@bytedance.com>
In-Reply-To: <b04a0191-fa27-f8dc-440c-ec363d9c0636@suse.cz>
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Hi Vlastimil,

On 2023/6/22 22:47, Vlastimil Babka wrote:
> On 6/22/23 10:53, Qi Zheng wrote:
>> To prepare for the dynamic allocation of shrinker instances
>> embedded in other structures, add a private_data field to
>> struct shrinker, so that we can use shrinker::private_data
>> to record and get the original embedded structure.
>>
>> Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
> 
> I would fold this to 02/29, less churn.

OK, I will fold this to 02/29 in the v2.

Thanks,
Qi

> 
>> ---
>>   include/linux/shrinker.h | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
>> index 224293b2dd06..43e6fcabbf51 100644
>> --- a/include/linux/shrinker.h
>> +++ b/include/linux/shrinker.h
>> @@ -70,6 +70,8 @@ struct shrinker {
>>   	int seeks;	/* seeks to recreate an obj */
>>   	unsigned flags;
>>   
>> +	void *private_data;
>> +
>>   	/* These are for internal use */
>>   	struct list_head list;
>>   #ifdef CONFIG_MEMCG
>