Re: meminfo Committed_AS underflows

[Dave Hansen]

On Mon, 2009-04-27 at 20:27 -0700, Andrew Morton wrote:
> There's potential here for weird performance regressions, so I think
> that if we do this in mainline, we should wait a while (a few weeks?)
> before backporting it.
> 
> Do we know how long this bug has existed for?  Quite a while, I
> expect?

Yeah, we didn't notice it until a recent enterprise distro got a config
with NR_CPUS=1024.  That opened the window up in a major way because of
the way we calculated the threshold.

-- Dave

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