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Re: [PATCH 2/2] Loongson: disable FLATMEM

To: Wu Zhangjin <wuzhangjin@gmail.com>
Subject: Re: [PATCH 2/2] Loongson: disable FLATMEM
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 1 Dec 2009 15:58:46 +0000
Cc: linux-mips@linux-mips.org, zhangfx@lemote.com
In-reply-to: <1259650542-31922-1-git-send-email-wuzhangjin@gmail.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1259650542-31922-1-git-send-email-wuzhangjin@gmail.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.20 (2009-08-17)
On Tue, Dec 01, 2009 at 02:55:42PM +0800, Wu Zhangjin wrote:

> With FLATMEM, The STD(Hibernation) for Loongson will fail, and there are
> also some other problems(break the files) when using NFS or CIFS(samba).
> 
> And as the config help of SPARSEMEM says:
> 
> "This option provides some potential performance benefits, along with
> decreased code complexity."
> 
> So, to avoid the potential problems of FLATMEM, we disable FLATMEM
> directly and use SPARSEMEM instead.
> 
> Relative Email thread:
> 
> http://groups.google.com/group/loongson-dev/browse_thread/thread/b6b65890ec2b0f24/feb43e5aa7f55d9b?show_docid=feb43e5aa7f55d9b
> 
> Reported-by: Tatu Kilappa <tatu.kilappa@gmail.com>
> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>

Applied - though I'm not so sure if I can get this one to Linus as
close to a release as we are now.

Thanks!

  Ralf

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