linux-kernel - mm/ksm.c:492: error: implicit declaration of function ‘pfn_to

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Message-ID: <CAMuHMdXtSyoxZ6fyPivGTB4Om97H+q6Vb9LaY3AF58pezA+WDQ@mail.gmail.com>
Date:	Mon, 4 Mar 2013 21:09:35 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Petr Holasek <pholasek@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: mm/ksm.c:492: error: implicit declaration of function ‘pfn_to_nid’

On one of my m68k configs, v3.9-rc1 gives me:

mm/ksm.c: In function ‘get_kpfn_nid’:
mm/ksm.c:492: error: implicit declaration of function ‘pfn_to_nid’

It turns out <linux/mmzone.h> lacks a definition for pfn_to_nid() if
CONFIG_DISCONTIGMEM=y.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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