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Subject: Re: [RFC PATCH 5/5] powerpc/mm/hash: Increase VA range to 256TB
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, paulus@samba.org,
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Date: Tue, 07 Feb 2017 15:06:13 +1100
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That's 48 bits. I would keep the limit at 47 without some explicit
opt-in by applications. That's what users get on x86 and we know
some GPUs have limits there.

Cheers,
Ben.