linux-kernel - Re: [patch] build error: allnoconfig fails on mincore/swapper

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Date:	Wed, 14 Feb 2007 12:33:23 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Hugh Dickins <hugh@...itas.com>
CC:	Randy Dunlap <randy.dunlap@...cle.com>, tony.luck@...il.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch] build error: allnoconfig fails on mincore/swapper_space

Hugh Dickins wrote:
> On Tue, 13 Feb 2007, Randy Dunlap wrote:
> 
>>From: Randy Dunlap <randy.dunlap@...cle.com>
>>
>>Don't check for pte swap entries when CONFIG_SWAP=n.
>>And save 'present' in the vec array.
>>
>>mm/built-in.o: In function `sys_mincore':
>>(.text+0xe584): undefined reference to `swapper_space'
>>
>>Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> 
> 
> What you've done there is fine, Randy, thank you.

Can't you have migration without swap?

> But I just got out of bed to take another look, and indeed:
> what is it doing in the none_mapped !vma->vm_file case?
> passing back an uninitialized vector.

I must have completely forgotten about the vector :(

-- 
SUSE Labs, Novell Inc.
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