Re: [patch] build error: allnoconfig fails on mincore/swapper_space

[Nick Piggin <nickpiggin@yahoo.com.au>]

Hugh Dickins wrote:
> On Tue, 13 Feb 2007, Randy Dunlap wrote:
>
> > From: Randy Dunlap <randy.dunlap@oracle.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@oracle.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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