linux-kernel - Re: crash dump memory reservation regression

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Message-ID: <CAE9FiQW8dVoaQj-CcRUAQjV-A+9==bUKLHmzjzBTVZ1NkVoAug@mail.gmail.com>
Date:	Tue, 13 Mar 2012 14:28:39 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	CAI Qian <caiqian@...hat.com>, Takashi Iwai <tiwai@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: crash dump memory reservation regression

On Tue, Mar 13, 2012 at 7:26 AM, Vivek Goyal <vgoyal@...hat.com> wrote:
> On Mon, Mar 12, 2012 at 10:31:21PM -0700, Yinghai Lu wrote:
>
>
> So as long as we can reserve till 512MB of kdump memory, that should allow
> us to support up to 6TB of systems with dump filtering. Hopefully that is
> sufficient for quite some time and we don't have to take the path of
> supporting non-contiguous memory for kdump.

one or two years later, there may be x86_system more than 16T?

Yinghai
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