linux-kernel - Re: [PATCH] x86: crash kernel reserve with reserve

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Message-ID: <86802c440911221718l541c0dq599f6a401fd03157@mail.gmail.com>
Date:	Sun, 22 Nov 2009 17:18:09 -0800
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vivek Goyal <vgoyal@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kexec@...ts.infradead.org
Subject: Re: [PATCH] x86: crash kernel reserve with reserve_early

On Sun, Nov 22, 2009 at 4:56 AM, Eric W. Biederman
<ebiederm@...ssion.com> wrote:
> Yinghai Lu <yhlu.kernel@...il.com> writes:
>
>> [PATCH] x86: crash kernel reserve with reserve_early
>>
>> use find_e820_area/reserve_early instead.
>> will get next good one automatically with alignment
>
> Semantically this is broken, as you are now ignoring a passed in
> base address if one is supplied.  What problem are you trying to fix?

avoid to use bootmem.

also simpify the code.

YH
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