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Date: Tue, 13 Mar 2012 14:28:39 -0700
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Subject: Re: crash dump memory reservation regression
From: Yinghai Lu <yinghai@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: CAI Qian <caiqian@redhat.com>, Takashi Iwai <tiwai@suse.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
        linux-kernel@vger.kernel.org
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On Tue, Mar 13, 2012 at 7:26 AM, Vivek Goyal <vgoyal@redhat.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