Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps

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On Tue, Oct 02, 2018 at 07:37:13AM -0700, Christoph Hellwig wrote:
> No, it should not.  DAX is an implementation detail thay may change
> or go away at any time.

Well we had an issue with an application checking for dax, this is how
we landed here in the first place.

It's not that I want them to do it, it's more that they're actually
doing it in all kinds of interesting ways and then complaining when it
doesn't work anymore.

So it's less of an "API beauty price problem" but more of a "provide a
documented way which we won't break" way.

Byte,
	   Johannes
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Johannes Thumshirn                                          Storage
jthumshirn@xxxxxxx                                +49 911 74053 689
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