linux-kernel - Re: [RFC 0/2] Delay initializing of large sections of memory

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Message-ID: <20130626092355.GC27025@gmail.com>
Date:	Wed, 26 Jun 2013 11:23:55 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Mike Travis <travis@....com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Nathan Zimmer <nzimmer@....com>, Robin Holt <holt@....com>,
	Rob Landley <rob@...dley.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	linux-doc@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 0/2] Delay initializing of large sections of memory


* Yinghai Lu <yinghai@...nel.org> wrote:

> On Tue, Jun 25, 2013 at 11:17 AM, H. Peter Anvin <hpa@...or.com> wrote:
> > On 06/25/2013 10:35 AM, Mike Travis wrote:
> 
> > However, please consider Ingo's counterproposal of doing this via the
> > buddy allocator, i.e. hugepages being broken on demand.  That is a
> > *very* powerful model, although would require more infrastructure.
> 
> Can you or Ingo elaborate more about the buddy allocator proposal?

Ok, I just wrote a fuller proposal, with cons and pros listed as well.

I think it's a winner but hey.

Thanks,

	Ingo
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