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Date: Tue, 19 Dec 2017 19:14:43 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
cc: LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: [patch V163 38/51] x86/mm/64: Make a full PGD-entry size hole
 in the memory map
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References: <20171218114215.239543034@linutronix.de> <20171218115256.731524766@linutronix.de> <20171218132727.43umqlu4hirgwhlf@hirez.programming.kicks-ass.net> <alpine.DEB.2.20.1712191909080.1780@nanos>
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On Tue, 19 Dec 2017, Thomas Gleixner wrote:

> On Mon, 18 Dec 2017, Peter Zijlstra wrote:
> 
> > On Mon, Dec 18, 2017 at 12:42:53PM +0100, Thomas Gleixner wrote:
> > > From: Andy Lutomirski <luto@kernel.org>
> > > 
> > > Shrink vmalloc space from 16384TiB to 12800TiB to enlarge the hole starting
> > > at 0xff90000000000000 to be a full PGD entry.
> > > 
> > > A subsequent patch will use this hole for the pagetable isolation LDT
> > > alias.
> > 
> > The below patch only changes 5L things, what about 4L ?
> 
> I fear I've lost a hunk somewhere on the road ....

No, that hunk never existed :)