linux-kernel - Re: [PATCH 2.6.24] mm: BadRAM support for broken memory

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Message-ID: <47D6298C.3030105@zytor.com>
Date:	Tue, 11 Mar 2008 07:41:16 +0100
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan-Simon Möller <dl9pf@....de>
CC:	Pavel Machek <pavel@....cz>, Jiri Kosina <jkosina@...e.cz>,
	Ingo Molnar <mingo@...e.hu>, devzero@....de,
	linux-kernel@...r.kernel.org, rick@...rein.org
Subject: Re: [PATCH 2.6.24] mm: BadRAM support for broken memory

Jan-Simon Möller wrote:
> Am Montag 10 März 2008 18:20:19 schrieb H. Peter Anvin:
>> Jan-Simon Möller wrote:
>>> badram=0x18690000,0xffff0000
>>> (which means a whole from 0x18690000 to 0x1869ffff )
>> memmap=0x18690000$64K
>>
>> 	or
>>
>> memmap=0x18690000$0x10000
>>
>> 	-hpa
> 
> 
> Hmmm reading the kernel-parameters again and again ...
> 
> <QUOTE>
>         memmap=nn[KMG]$ss[KMG]
>                         [KNL,ACPI] Mark specific memory as reserved.
>                         Region of memory to be used, from ss to ss+nn.
> </QUOTE>
> 
> 
> nn would be 0x18690000   or ~409MB
> ss would be 0x10000      or 64k
> 
> quite big hole ???
> 
> I'm not in front of the faulty box, but something is wrong there ...
> 

Sorry, got it backwards.

	-hpa
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