Re: [PATCH 15/18] mm: memcontrol: make swap tracking an integral part of memory control

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Hi Alex,

thanks for your quick review so far, I'll add the tags to the patches.

On Tue, Apr 21, 2020 at 05:27:30PM +0800, Alex Shi wrote:
> 
> 
> 在 2020/4/21 上午6:11, Johannes Weiner 写道:
> > The swapaccount=0 boot option will continue to exist, and it will
> > eliminate the page_counter overhead and hide the swap control files,
> > but it won't disable swap slot ownership tracking.
> 
> May we add extra explanation for this change to user? and the default
> memsw limitations?

Can you elaborate what you think is missing and where you would like
to see it documented?

>From a semantics POV, nothing changes with this patch. The memsw limit
defaults to "max", so it doesn't exert any control per default. The
only difference is whether we maintain swap records or not.



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