在 2023/3/20 上午4:32, Luis Chamberlain 写道:
> On Tue, Mar 14, 2023 at 10:46:28AM +0800, haoxin wrote:
>> All these series looks good to me and i do some test on my virtual machine
>> it works well.
>>
>> so please add Tested-by: Xin Hao<xhao@linux.alibaba.com>  .
>>
>> just one question, if tmpfs pagecache occupies a large amount of memory, how
>> can we ensure successful memory reclamation in case of memory shortage?
> If you're disabling swap then you know the only thing you can do is
> unmount if you want to help the VM, otherwise the pressure is just
> greater for the VM.

Un, what i mean is can we add a priority so that this type of pagecache 
is reclaimed last ?

Instead of just setting the parameter noswap to make it unreclaimed, 
because if such pagecache which

occupy big part of memory which can not be reclaimed, it will cause OOM.


>
>    Luis