linux-kernel - Re: [PATCH v4 21/22] x86, mm: Make init_mem_mapping be able to be called several times

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Date:	Thu, 11 Apr 2013 18:05:44 -0700 (PDT)
From:	Konrad Wilk <konrad.wilk@...cle.com>
To:	<yinghai@...nel.org>
Cc:	<trenn@...e.de>, <tangchen@...fujitsu.com>, <tglx@...utronix.de>,
	<penberg@...nel.org>, <akpm@...ux-foundation.org>, <mingo@...e.hu>,
	<jacob.shin@....com>, <tj@...nel.org>,
	<linux-kernel@...r.kernel.org>, <hpa@...or.com>
Subject: Re: [PATCH v4 21/22] x86, mm: Make init_mem_mapping be able to be
 called several times


----- yinghai@...nel.org wrote:

> Prepare to put page table on local nodes.
> 
> Move calling of init_mem_mapping to early_initmem_init.
> 
> Rework alloc_low_pages to alloc page table in following order:
> 	BRK, local node, low range
> 
> Still only load_cr3 one time, otherwise we would break xen 64bit
> again.

I have asked you in the previous iteration of the patch to fix that comment.

Please remove it - as it is misleading. The issue with load_cr3 more than
once has been fixed under the Xen platform.

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