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From: =?gb18030?B?xP6+srXEzOy/1Q==?= <497692757@qq.com>
To: =?gb18030?B?a2VybmVsbmV3Ymllcw==?= <kernelnewbies@kernelnewbies.org>
Subject: Can Cgroup memory subsystem provide estimated available memory, just like /proc/meminfo: MemAvailable?
Date: Sat, 8 Oct 2022 14:59:56 +0800	[thread overview]
Message-ID: <tencent_2D50F64531CB7B8E845BB3316544413E7B09@qq.com> (raw)


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Hello cgroup experts,


/proc/meminfo: MemAvailable is a very useful mertics, provide estimated available memory, caculated by MemFree, Active(file), Inactive(file), SReclaimable and watermarks. It is implemented by the si_mem_available() function[1]. Can cgroup memory subsystem provide estimated available memory?


/proc/meminfo:
MemTotal:&nbsp; &nbsp; &nbsp; &nbsp;63793888 kB
MemFree:&nbsp; &nbsp; &nbsp; &nbsp; 21124704 kB
MemAvailable:&nbsp; &nbsp;39106088 kB


[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773

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