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From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: Chen Linxuan <chenlinxuan@uniontech.com>,
	Gao Xiang <xiang@kernel.org>, Chao Yu <chao@kernel.org>,
	Yue Hu <zbestahu@gmail.com>,
	Jeffle Xu <jefflexu@linux.alibaba.com>,
	Sandeep Dhavale <dhavale@google.com>
Cc: linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] erofs(shrinker): return SHRINK_EMPTY if no objects to free
Date: Thu, 16 Jan 2025 16:45:57 +0800	[thread overview]
Message-ID: <2ce9821f-9059-4b2a-b9b7-880cece68e0d@linux.alibaba.com> (raw)
In-Reply-To: <149E6E64B5B6B5E8+20250116083303.199817-1-chenlinxuan@uniontech.com>



On 2025/1/16 16:33, Chen Linxuan wrote:
> Comments in file include/linux/shrinker.h says that
> `count_objects` of `struct shrinker` should return SHRINK_EMPTY
> when there are no objects to free.
> 
>> If there are no objects to free, it should return SHRINK_EMPTY,
>> while 0 is returned in cases of the number of freeable items cannot
>> be determined or shrinker should skip this cache for this time
>> (e.g., their number is below shrinkable limit).
> 
> Signed-off-by: Chen Linxuan <chenlinxuan@uniontech.com>

Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Thanks,
Gao Xiang

      reply	other threads:[~2025-01-16  8:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-16  8:33 Chen Linxuan
2025-01-16  8:45 ` Gao Xiang [this message]

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