From mboxrd@z Thu Jan  1 00:00:00 1970
From: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH] slub: prefetch next freelist pointer in slab_alloc()
Date: Thu, 9 Feb 2012 21:00:22 +0100
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To: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>, Eric Dumazet <eric.dumazet@gmail.com>, linux-kernel <linux-kernel@vger.kernel.org>, David Rientjes <rientjes@google.com>, "Alex,Shi" <alex.shi@intel.com>, Shaohua Li <shaohua.li@intel.com>, Matt Mackall <mpm@selenic.com>, Linux-Next <linux-next@vger.kernel.org>

On Mon, Jan 30, 2012 at 22:53, Christoph Lameter <cl@linux.com> wrote:
> On Mon, 30 Jan 2012, Geert Uytterhoeven wrote:
>> m68k/allmodconfig at http://kisskb.ellerman.id.au/kisskb/buildresult=
/5527349/
>>
>> mm/slub.c:274: error: implicit declaration of function 'prefetch'
>>
>> Sorry, didn't notice it earlier due to other build breakage in -next=
=2E
>
> Does this fix it?

Yep. Thx!

> Subject: slub: include include for prefetch
>
> Otherwise m68k breaks.
>
> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Signed-off-by: Christoph Lameter <cl@linux.com>

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>

> ---
> =C2=A0mm/slub.c | =C2=A0 =C2=A01 +
> =C2=A01 file changed, 1 insertion(+)
>
> Index: linux-2.6/mm/slub.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- linux-2.6.orig/mm/slub.c =C2=A0 =C2=A02012-01-13 10:04:06.0000000=
00 -0600
> +++ linux-2.6/mm/slub.c 2012-01-30 15:51:55.000000000 -0600
> @@ -29,6 +29,7 @@
> =C2=A0#include <linux/math64.h>
> =C2=A0#include <linux/fault-inject.h>
> =C2=A0#include <linux/stacktrace.h>
> +#include <linux/prefetch.h>
>
> =C2=A0#include <trace/events/kmem.h>

Gr{oetje,eeting}s,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 Geert

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

In personal conversations with technical people, I call myself a hacker=
=2E But
when I'm talking to journalists I just say "programmer" or something li=
ke that.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 =C2=A0=C2=A0 -- Linus Torvalds