linux-kernel - Re: [PATCH] Cleanup to make remove

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Date:	Mon, 8 Sep 2008 17:56:21 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Badari Pulavarty <pbadari@...ibm.com>
Cc:	garyhade@...ibm.com, linux-mm@...ck.org, y-goto@...fujitsu.com,
	mel@....ul.ie, lcm@...ibm.com, linux-kernel@...r.kernel.org,
	x86@...nel.org, mingo@...e.hu
Subject: Re: [PATCH] Cleanup to make  remove_memory() arch neutral

On Mon, 08 Sep 2008 14:52:34 -0700
Badari Pulavarty <pbadari@...ibm.com> wrote:

> There is nothing architecture specific about remove_memory().
> remove_memory() function is common for all architectures which
> support hotplug memory remove. Instead of duplicating it in every
> architecture, collapse them into arch neutral function.
> 
> Signed-off-by: Badari Pulavarty <pbadari@...ibm.com>
> 
>  arch/ia64/mm/init.c   |   17 -----------------
>  arch/powerpc/mm/mem.c |   17 -----------------
>  arch/s390/mm/init.c   |   11 -----------
>  mm/memory_hotplug.c   |   10 ++++++++++
>  4 files changed, 10 insertions(+), 45 deletions(-)

I spent some time trying to build-test this on ia64 and gave up.  How
the heck do you turn on memory hotplug on ia64?

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