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Message-ID: <31d3f685-3017-25d8-5b0b-2795ed7049bc@bytedance.com>
Date:   Fri, 23 Jun 2023 20:50:41 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     Vlastimil Babka <vbabka@...e.cz>, akpm@...ux-foundation.org,
        david@...morbit.com, tkhai@...ru, roman.gushchin@...ux.dev,
        djwong@...nel.org, brauner@...nel.org, paulmck@...nel.org,
        tytso@....edu
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, dm-devel@...hat.com,
        linux-raid@...r.kernel.org, linux-bcache@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-nfs@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-btrfs@...r.kernel.org
Subject: Re: [External] Re: [PATCH 01/29] mm: shrinker: add
 shrinker::private_data field

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@...edance.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
> 

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