Re: [PATCH] mm/memcontrol: use kstrtobool for swapaccount param parsing

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On Thu 08-09-22 15:02:48, Andrew Morton wrote:
> On Thu, 8 Sep 2022 16:34:52 +0800 Liu Shixin <liushixin2@xxxxxxxxxx> wrote:
> 
> > --- a/mm/swap_cgroup.c
> > +++ b/mm/swap_cgroup.c
> > @@ -194,7 +194,7 @@ int swap_cgroup_swapon(int type, unsigned long max_pages)
> >  	return 0;
> >  nomem:
> >  	pr_info("couldn't allocate enough memory for swap_cgroup\n");
> > -	pr_info("swap_cgroup can be disabled by swapaccount=0 boot option\n");
> > +	pr_info("swap_cgroup can be disabled by swapaccount=[oO][Ff]/N/n/0 boot option\n");
> 
> I'm not sure this really needed changing.  "=0" was OK and the message
> now looks rather silly.

Agreed. While swapaccount=0 is clear the extended form, even if correct,
might just confuse some admins.

-- 
Michal Hocko
SUSE Labs



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