linux-kernel - Re: [PATCH] powerpc: Fix build failure when MEMORY

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Message-ID: <CAJhHMCCkCSKEB1uUXEwj=NjMoK30q+3xBkbEP9Lwy=hXuCpbcw@mail.gmail.com>
Date:	Wed, 20 Aug 2014 09:12:08 -0400
From:	Pranith Kumar <bobby.prani@...il.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	"open list:LINUX FOR POWERPC..." <linuxppc-dev@...ts.ozlabs.org>,
	open list <linux-kernel@...r.kernel.org>,
	Andew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] powerpc: Fix build failure when MEMORY_HOTPLUG=y

On Wed, Aug 20, 2014 at 4:00 AM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:

>> 1.9.1
>
> In light of my investigation for your spufs patch, I guess this is a non-SMP
> PSERIES config?

So what happens is SELECT_MEMORY_MODEL choses FLATMEM_MANUAL because
of which SPARSEMEM is not enabled despite having
ARCH_SPARSEMEM_ENABLE=y.

-- 
Pranith
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