linux-kernel - Re: [PATCH 0/3] Early use of boot service memory

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Message-ID: <CAE9FiQVOeDmdKMgnuV1kt6_aEbLG9aNKcRJqoL61pUzermMDbg@mail.gmail.com>
Date:	Fri, 15 Nov 2013 15:43:12 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	jerry.hoemann@...com
Cc:	Vivek Goyal <vgoyal@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Ingo Molnar <mingo@...nel.org>,
	Pekka Enberg <penberg@...nel.org>,
	Rob Landley <rob@...dley.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	x86 maintainers <x86@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"list@...ederm.org:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	"list@...ederm.org:MEMORY MANAGEMENT" <linux-mm@...ck.org>,
	linux-efi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] Early use of boot service memory

On Fri, Nov 15, 2013 at 2:55 PM,  <jerry.hoemann@...com> wrote:
>> You may need bunch of PCIe cards installed.
>>
>> The system with 6TiB + 16 PCIe cards, second kernel OOM.
>> The system with 4.5TiB + 16 PCIe cards, second kernel works with vmcore dumped.
>
> Yinghai,
>
> Your original email said you were using "legacy mode".  Does this mean
> you're not running makedumpfile in cyclic mode?  Cyclic mode makes
> a *big* difference in memory foot print of makedumpfile.

I mean: boot linux with legacy bios mode instead UEFI native boot.

Thanks

Yinghai
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