Message-ID: <513E438D.5010303@zytor.com>
Date: Mon, 11 Mar 2013 13:50:21 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Vivek Goyal <vgoyal@redhat.com>
CC: "Eric W. Biederman" <ebiederm@xmission.com>,
        Yinghai Lu <yinghai@kernel.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>,
        WANG Chao <chaowang@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86, kdump: Set crashkernel_low automatically
References: <20130311182655.GB12107@redhat.com> <513E2695.3080707@zytor.com> <CAE9FiQXLodhSFy4T9pKLMS+axF0jHGL9B0+TL=dYOFrLVudN9g@mail.gmail.com> <513E28B8.3000502@zytor.com> <CAE9FiQW-gpEMmc6kseb7E+TEg1F9CqEYZBRDiJ3bDY=t6zGRmg@mail.gmail.com> <20130311192021.GF12107@redhat.com> <513E36CB.5040908@zytor.com> <20130311201245.GC14738@redhat.com> <513E3C44.9030402@zytor.com> <87hakhk6xu.fsf@xmission.com> <20130311204530.GE14738@redhat.com>
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On 03/11/2013 01:45 PM, Vivek Goyal wrote:
> 
> - Now we use dracut generated initramfs and it has been growing in size.
>   Now systemd has been pulled in too.
> 

And the solution to that isn't obvious?

> - makdumpfile needs more memory to dump large machines.
> 
> There are so many places where memory usage is going up and trying
> to keep track of all that has been very hard.

Seriously, in particular the O(n) memory requirements you may want to
think very very hard about.

	-hpa


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