linux-kernel - RE: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

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Message-ID: <100D68C7BA14664A8938383216E40DE04217CB7B@FMSMSX114.amr.corp.intel.com>
Date:	Wed, 27 Jan 2016 20:53:09 +0000
From:	"Wilcox, Matthew R" <matthew.r.wilcox@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Matthew Wilcox <willy@...ux.intel.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-nvdimm@...1.01.org" <linux-nvdimm@...1.01.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>
Subject: RE: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

Yeah, I need to rebase.  Please drop for now, I'll resend tomorrow.

See you Monday, I assume ;-)

-----Original Message-----
From: Andrew Morton [mailto:akpm@...ux-foundation.org] 
Sent: Wednesday, January 27, 2016 12:40 PM
To: Wilcox, Matthew R; Matthew Wilcox; linux-mm@...ck.org; linux-nvdimm@...1.01.org; linux-fsdevel@...r.kernel.org; linux-kernel@...r.kernel.org; x86@...nel.org
Subject: Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

On Wed, 27 Jan 2016 12:31:31 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> Just from eyeballing the patches, I'm expecting build errors ;)

Didn't take long :(

mm/memory.c: In function 'zap_pud_range':
mm/memory.c:1216: error: implicit declaration of function 'pud_trans_huge'
mm/memory.c:1217: error: 'HPAGE_PUD_SIZE' undeclared (first use in this function)

and, midway:

include/linux/mm.h:348: error: redefinition of 'pud_devmap'
include/asm-generic/pgtable.h:684: note: previous definition of 'pud_devmap' was here

Please run x86_64 allnoconfig at each step of the series, fix and
respin?  It only takes 30s to compile.