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Date: Tue, 13 Aug 2013 10:23:46 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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Subject: Re: [RFC v3 0/5] Transparent on-demand struct page initialization
 embedded in the buddy allocator
References: <1375465467-40488-1-git-send-email-nzimmer@sgi.com> <1376344480-156708-1-git-send-email-nzimmer@sgi.com> <CA+55aFwTQLexJkf67P0b7Z7cw8fePjdDSdA4SOkM+Jf+kBPYEA@mail.gmail.com>
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nathan Zimmer <nzimmer@sgi.com>, Ingo Molnar <mingo@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Robin Holt <holt@sgi.com>, Rob Landley <rob@landley.net>, Mike Travis <travis@sgi.com>, Daniel J Blueman <daniel@numascale-asia.com>, Andrew Morton <akpm@linux-foundation.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Yinghai Lu <yinghai@kernel.org>, Mel Gorman <mgorman@suse.de>

On 08/13/2013 10:09 AM, Linus Torvalds wrote:
> 
> I really really dislike this "let's check if memory is initialized at
> runtime" approach.
> 

It does seem to be getting messy, doesn't it...

The one potential serious concern if if that will end up mucking with
NUMA affinity in a way that has lasting effects past boot.

	-hpa


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