linux-kernel - linux-next: build failure after merge of the final tree (hwpoison tree related)

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Date:	Mon, 27 Sep 2010 15:55:51 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	"Jun'ichi Nomura" <j-nomura@...jp.nec.com>
Subject: linux-next: build failure after merge of the final tree (hwpoison
 tree related)

Hi Andi,

After merging the final tree, today's linux-next build (powerpc allnoconfig)
failed like this:

mm/mprotect.o: In function `migrate_huge_page_move_mapping':
mprotect.c:(.text+0x0): multiple definition of `migrate_huge_page_move_mapping'
mm/shmem.o:shmem.c:(.text+0x0): first defined here
mm/rmap.o: In function `migrate_huge_page_move_mapping':
rmap.c:(.text+0x0): multiple definition of `migrate_huge_page_move_mapping'
mm/shmem.o:shmem.c:(.text+0x0): first defined here

Caused by commit 7b217c52ce7f33379beb27aa7685109fa74ed6bf ("hugetlb:
hugepage migration core").

This function is declared as "extern int ..." with a body in
include/linux/migrate.h for the non CONFIG_MIGRATION case.

I reverted the whole hwpoison tree for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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