Message-ID: <4D0ABB0E.9080601@zytor.com>
Date: Thu, 16 Dec 2010 17:21:18 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Yinghai Lu <yinghai@kernel.org>
CC: Vivek Goyal <vgoyal@redhat.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        Stanislaw Gruszka <sgruszka@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        Thomas Gleixner <tglx@linutronix.de>, Maxim Uvarov <muvarov@gmail.com>,
        linux-kernel@vger.kernel.org, Neil Horman <nhorman@redhat.com>,
        Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: kdump broken on 2.6.37-rc4
References: <20101208141942.GA2335@redhat.com> <4D00823A.9050808@kernel.org> <20101209124117.GA6032@redhat.com> <4D01377B.5070809@kernel.org> <20101213100848.GA2237@redhat.com> <4D0663F0.2060103@kernel.org> <4D06783C.6040009@zytor.com> <20101214224135.GB19693@redhat.com> <20101215103954.GA2243@redhat.com> <4D09958D.2040907@kernel.org> <20101216143925.GA13870@redhat.com> <4D0A3E31.4000109@zytor.com> <4D0A4C51.3070008@kernel.org> <4D0A6F66.1010006@zytor.com> <4D0AA116.4050707@kernel.org> <4D0AA592.3060805@kernel.org> <4D0AB14F.9050900@kernel.org>
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On 12/16/2010 04:39 PM, Yinghai Lu wrote:
> 
> and use that to estimate BRK size.
> 
> so we could change the BRK calculating code to handle 896M or just limit crashkernel for 32bit to 512M...
> 

Thinking about it, we probably should *both* fix the brk and limit the
crashkernel to 512 MiB (for compatibility with older crashkernels.)

	-hpa
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