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Date: Fri, 8 Nov 2019 11:39:17 -0800
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v4 05/13] m68k: mm: use pgtable-nopXd instead of
 4level-fixup
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To: Mike Rapoport <rppt@kernel.org>
Cc: linux-mm@kvack.org, Anton Ivanov <anton.ivanov@cambridgegreys.com>, Arnd Bergmann <arnd@arndb.de>, "David S. Miller" <davem@davemloft.net>, Geert Uytterhoeven <geert@linux-m68k.org>, Greentime Hu <green.hu@gmail.com>, Greg Ungerer <gerg@linux-m68k.org>, Helge Deller <deller@gmx.de>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Jeff Dike <jdike@addtoit.com>, "Kirill A. Shutemov" <kirill@shutemov.name>, Linus Torvalds <torvalds@linux-foundation.org>, Mark Salter <msalter@redhat.com>, Matt Turner <mattst88@gmail.com>, Michal Simek <monstr@monstr.eu>, Peter Rosin <peda@axentia.se>, Richard Weinberger <richard@nod.at>, Rolf Eike Beer <eike-kernel@sf-tec.de>, Russell King <linux@armlinux.org.uk>, Sam Creasey <sammy@sammy.net>, Vincent Chen <deanbo422@gmail.com>, Vineet Gupta <Vineet.Gupta1@synopsys.com>, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-kernel@vger.kernel.org, linux-m68k@vger.kernel.org, linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, sparclinux@vger.kernel.org, Mike Rapoport <rppt@linux.ibm.com>
List-ID: <linux-um.lists.infradead.org>

On Tue,  5 Nov 2019 09:15:27 +0200 Mike Rapoport <rppt@kernel.org> wrote:

> m68k has two or three levels of page tables and can use appropriate
> pgtable-nopXd and folding of the upper layers.
> 
> Replace usage of include/asm-generic/4level-fixup.h and explicit
> definitions of __PAGETABLE_PxD_FOLDED in m68k with
> include/asm-generic/pgtable-nopmd.h for two-level configurations and with
> include/asm-generic/pgtable-nopud.h for three-lelve configurations and
> adjust page table manipulation macros and functions accordingly.

This one was messed up by linux-next changes in arch/m68k/mm/kmap.c. 
Can you please take a look?