linux-kernel - Re: [PATCH RESEND] hugetlb: fix CONFIG

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Date:	Fri, 25 Jul 2008 14:52:51 -0700
From:	Nishanth Aravamudan <nacc@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	alan@...rguk.ukuu.org.uk, torvalds@...ux-foundation.org,
	mingo@...e.hu, randy.dunlap@...cle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] hugetlb: fix CONFIG_SYSCTL=n build

On 25.07.2008 [14:29:21 -0700], Andrew Morton wrote:
> On Fri, 25 Jul 2008 13:33:51 -0700
> Nishanth Aravamudan <nacc@...ibm.com> wrote:
> 
> > [resending with Linus' address fixed]
> > 
> > On 25.07.2008 [18:09:35 +0100], Alan Cox wrote:
> > > On Thu, 24 Jul 2008 07:26:03 +0200
> > > Ingo Molnar <mingo@...e.hu> wrote:
> > > 
> > > > 
> > > > not sure it's known but despite all the fixes i still get:
> > > > 
> > > >  drivers/built-in.o: In function `ne_drv_resume':
> > > >  ne.c:(.text+0x146ba4): undefined reference to `NS8390_init'
> > > >  drivers/built-in.o: In function `ne_block_output':
> > > >  ne.c:(.text+0x146e00): undefined reference to `NS8390_init'
> > > 
> > > This should do the trick. I can't test it currently as that configuration
> > > now fails to build with mm errors in current git head..
> > > 
> > > mm/hugetlb.c: In function ???hugetlb_acct_memory???: mm/hugetlb.c:1507:
> > > error: implicit declaration of function ???cpuset_mems_nr???
> 
> Remind me to give a wedgie to the next gcc developer I meet.

This may have been C&P error on my part, sorry about that.

> > When moving the intialization functions around, I did not remove the
> > dependency of some helpers on CONFIG_SYSCTL. This led to a large chunk
> > of code being elided even though it is needed to build hugetlb.o.
> > 
> > Fixes a build failure reported by Alan Cox:
> > 
> > mm/hugetlb.c: In function ______hugetlb_acct_memory______: mm/hugetlb.c:1507:
> > error: implicit declaration of function ______cpuset_mems_nr______
> 
> And the next one.
> 
> LANG=C stomps this silliness.

Yep, I've fixed the configuration of this box (I hope).

Thanks,
Nish

-- 
Nishanth Aravamudan <nacc@...ibm.com>
IBM Linux Technology Center
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