Subject: Re: linux-next: build failure after merge of the final tree (ubi
 tree related)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Artem.Bityutskiy@nokia.com
Cc: ext Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org,
        linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
        linuxppc-dev@lists.ozlabs.org
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References: <20110316175041.67c4f371.sfr@canb.auug.org.au>
	 <1300260170.2817.4.camel@localhost>
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Date: Wed, 16 Mar 2011 21:15:08 +1100
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On Wed, 2011-03-16 at 09:22 +0200, Artem Bityutskiy wrote:
> On Wed, 2011-03-16 at 17:50 +1100, ext Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the final tree, today's linux-next build (powerpc
> > allyesconfig) failed like this:
> > 
> > drivers/mtd/ubi/io.c: In function 'ubi_dbg_check_write':
> > drivers/mtd/ubi/io.c:1348: error: 'PAGE_KERNEL' undeclared (first use in this function)
> > drivers/mtd/ubi/io.c: In function 'ubi_dbg_check_all_ff':
> > drivers/mtd/ubi/io.c:1412: error: 'PAGE_KERNEL' undeclared (first use in this function)
> > 
> > Caused by commit 823ed5091113 ("UBI: allocate write checking buffer on demand").
> > 
> > I don't know how to fix this, so I have left it for today.
> 
> Hmm, strange, include <linux/vmalloc.h> should be enough to use
> __vmalloc with 'PAGE_KERNEL' AFAICS, and we have this include... I'll
> try to look better.

Try adding asm/pgtable.h 

Cheers,
Ben.


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