maybe you are using a custom kernel without swapfile flag?
try to use the standard debian kernel
all the best
ste

On Thu, Sep 9, 2021 at 4:33 PM lin dimitri <lindimi...@gmail.com> wrote:

> Hi,
>
> I am trying to increase my swap memory, below is the commands I used:-
> $ sudo swapon --show
> $ sudo swapoff -a
> $ sudo fallocate -l 4G /swapfile
> $ sudo chmod 600 /swapfile
> $ sudo mkswap /swapfile
> $ sudo swapon /swapfile
> swapon failed: Function not implemented
>
> i got above error.
>
> I have CONFIG_SWAP=y in /proc/config.gz.
>
> i don't know how this can be solved
>
> plz help.
>
>
> Regards,
>
> lin
>

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