linux-kernel - Re: [PATCH] UBIFS: Implement ->migratepage()

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Date:	Thu, 17 Mar 2016 09:09:55 +0100
From:	Richard Weinberger <richard@....at>
To:	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, linux-mtd@...ts.infradead.org,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, boris.brezillon@...e-electrons.com,
	maxime.ripard@...e-electrons.com, david@...ma-star.at,
	david@...morbit.com, dedekind1@...il.com, alex@...tthing.co,
	akpm@...ux-foundation.org, sasha.levin@...cle.com,
	iamjoonsoo.kim@....com, rvaswani@...eaurora.org,
	tony.luck@...el.com, shailendra.capricorn@...il.com,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH] UBIFS: Implement ->migratepage()

Am 17.03.2016 um 05:39 schrieb kbuild test robot:
> Hi Kirill,
> 
> [auto build test ERROR on v4.5-rc7]
> [also build test ERROR on next-20160316]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Richard-Weinberger/UBIFS-Implement-migratepage/20160317-065742
> config: x86_64-allmodconfig (attached as .config)
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>>> ERROR: "migrate_page_move_mapping" [fs/ubifs/ubifs.ko] undefined!
>>> ERROR: "migrate_page_copy" [fs/ubifs/ubifs.ko] undefined!

Meh. Just noticted that these functions are not exported and therefore not
usable in modules.
So, this patch is not really the solution although it makes the problem go away.

Thanks,
//richard