Re: [REGRESSION] RLIMIT_DATA crashes named

[Konstantin Khlebnikov]

On Sat, Sep 17, 2016 at 7:08 AM, Joe Perches <joe@xxxxxxxxxxx> wrote:
> On Fri, 2016-09-16 at 17:040700, Linus Torvalds wrote:
>> On Fri, Sep 16, 2016 at 4:58 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>> > Here's a totally untested patch. What do people say?
>> Heh. It looks like "pr_xyz_once()" is used in places that haven't
>> included "ratelimit.h", so this doesn't actually build for everything.
>> But I guess as a concept patch it's not hard to understand, even if
>> the implementation needs a bit of tweaking.
>
> do_just_once just isn't a good name for a global
> rate limited mechanism that does something very
> different than the name.
>
> Maybe allow_once_per_ratelimit or the like
>
> There could be an equivalent do_once
>
> https://lkml.org/lkml/2009/5/22/3
>

What about this printk_reriodic() and pr_warn_once_per_minute()?

It simply remembers next jiffies to print rather than using that
complicated ratelimiting engine.

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