Re: [PATCH] mm: Drop "PFNs busy" printk in an expected path.

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On Fri, Dec 30 2016, Eric Anholt wrote:
> OK, so the design is bad.  When you said bug, I definitely thought you
> were saying that the message shouldn't happen in the design.
>
> Given CMA's current design, should everyone using CMA see their logs
> slowly growing with this message that is an secret code for "CMA's
> design hasn't yet changed"?

Just to be clear, it’s not CMA’s design; it’s movable page’s design that
is bad (at least in the context of this discussion).

But yes, because of the way movable pages are, everyone is likely to see
the message.

> If you want to have people be able to track how often this is
> happening, let's make a perf event for it or something instead.

Sure.

-- 
Best regards
ミハウ “𝓶𝓲𝓷𝓪86” ナザレヴイツ
«If at first you don’t succeed, give up skydiving»
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