Re: [PATCH] mm: Drop "PFNs busy" printk in an expected path.
From: Michal Nazarewicz
Date: Sat Dec 31 2016 - 00:08:59 EST
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, itâs not CMAâs design; itâs movable pageâs 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
> 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.
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