linux-kernel - Re: [PATCH] x86: Find offset for crashkernel reservation automatically

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Message-ID: <20080714112404.36783df5@halley.suse.de>
Date:	Mon, 14 Jul 2008 11:24:04 +0200
From:	Bernhard Walle <bwalle@...e.de>
To:	"Yinghai Lu" <yhlu.kernel@...il.com>
Cc:	"Vivek Goyal" <vgoyal@...hat.com>, kexec@...ts.infradead.org,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] x86: Find offset for crashkernel reservation
 automatically

* Yinghai Lu [2008-07-14 00:11]:
>
> should use min_t(u64, 1ULL<<32, max_low_pfn<<PAGE_SHIFT) replace ULONG_MAX

Shouldn't we use  min_t(u64, ULLONG_MAX, max_low_pfn<<PAGE_SHIFT), i.e.
should we really limit the crashkernel to a 32 bit address on a 64 bit
system?



Bernhard
-- 
Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development
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