linux-kernel - Re: [RFC v3 0/5] Transparent on-demand struct page initialization embedded in the buddy allocator

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Message-ID: <520A6BA2.7060800@zytor.com>
Date:	Tue, 13 Aug 2013 10:23:46 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Nathan Zimmer <nzimmer@....com>, Ingo Molnar <mingo@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Robin Holt <holt@....com>,
	Rob Landley <rob@...dley.net>, Mike Travis <travis@....com>,
	Daniel J Blueman <daniel@...ascale-asia.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Yinghai Lu <yinghai@...nel.org>, Mel Gorman <mgorman@...e.de>
Subject: Re: [RFC v3 0/5] Transparent on-demand struct page initialization
 embedded in the buddy allocator

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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