linux-kernel - Re: [PATCH] powerpc: add support for folded p4d page tables

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Message-ID: <20191209183333.GG32169@bombadil.infradead.org>
Date:   Mon, 9 Dec 2019 10:33:33 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     Mike Rapoport <rppt@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, Mike Rapoport <rppt@...ux.ibm.com>,
        linux-mm@...ck.org, Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc: add support for folded p4d page tables

On Mon, Dec 09, 2019 at 06:46:36PM +0100, Christophe Leroy wrote:
> 
> 
> Le 09/12/2019 à 16:09, Mike Rapoport a écrit :
> > From: Mike Rapoport <rppt@...ux.ibm.com>
> > 
> > Implement primitives necessary for the 4th level folding, add walks of p4d
> > level where appropriate and replace 5level-fixup.h with pgtable-nop4d.h.
> > 
> > Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
> 
> Tested on 8xx and 83xx, no problem observed (ie book3s/32 and nohash/32)
> 
> Tested-by: Christophe Leroy <christophe.leroy@....fr>
> 
> Christophe

Did you add anything else to the next 1100 lines that you didn't bother
to snip?  I can't be arsed to scroll through them all looking.