Re: swapaccount= commandline option

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On Tue, Feb 13, 2024 at 08:01:37AM +0100, Narcis Garcia wrote:
> El 12/2/24 a les 23:37, Yosry Ahmed ha escrit:
> > On Sun, Feb 11, 2024 at 1:33 AM Narcis Garcia <debianlists@xxxxxxxxx> wrote:
> >>
> >> Hello,
> >>
> >> I read this warning on Linux 6.1 boot:
> >> The swapaccount= commandline option is deprecated. Please report your
> >> usecase to linux-mm@xxxxxxxxx if you depend on this functionality.
> >>
> >> And I want to know if this impacts on LinuX Containers (LXC) swap
> >> accounting.
> > 
> > swapaccount= was deprecated in the sense that it is always on now
> > (i.e. you cannot do swapaccount=0 anymore). I believe you are using
> > swapaccount=1 and want to make sure that swap accounting will still
> > work with v6.1, right?
> > 
> > This is the second question we have had about this message [1]. I
> > think we need to clarify the warning (and perhaps backport to stable
> > kernels).
> > 
> > [1]https://lore.kernel.org/linux-mm/2593755.Xrv9ptJ69j@sinistra.local/
> 
> 
> Thank you for answering this question, and sure this clarification is 
> needed both in documentation and warning message.
> I've found deprecation message was commited on 26 Sep 2022.
>  From what Linux version release, this deprecation is included?

Thanks for reporting this. I sent out a patch to only warn when
disabling is requested, and clarify the message a bit.

The knob was deprecated in Linux 6.1.




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