From: "H. Peter Anvin" <hpa@zytor.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: yhlu.kernel@gmail.com, yhlu.kernel.send@gmail.com,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86_64: early memtest to find bad ram
Date: Sat, 22 Mar 2008 14:01:07 -0700 [thread overview]
Message-ID: <47E57393.7060606@zytor.com> (raw)
In-Reply-To: <20080322134814.7258ff0c@laptopd505.fenrus.org>
Arjan van de Ven wrote:
> On Thu, 20 Mar 2008 23:58:33 -0700
> Yinghai Lu <yhlu.kernel.send@gmail.com> wrote:
>
>> do simple memtest after init_memory_mapping
>>
>> use find_e820_area_size to find all ram range that is not reserved.
>
> be careful, there's some special memory that e820 right now says is not reserved,
> but still has bios data (the first 4Kb of memory come to mind)
>
Is that true even after Yinghai's changes? I have lost track of all the
patches...
-hpa
next prev parent reply other threads:[~2008-03-22 21:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 6:58 [PATCH] x86_64: early memtest to find bad ram Yinghai Lu
2008-03-21 12:03 ` Ingo Molnar
2008-03-21 13:08 ` H. Peter Anvin
2008-03-21 14:29 ` Ingo Molnar
2008-03-22 5:45 ` Willy Tarreau
2008-03-22 6:48 ` Yinghai Lu
2008-03-21 19:08 ` Yinghai Lu
2008-03-21 19:58 ` H. Peter Anvin
2008-03-21 20:09 ` Yinghai Lu
2008-03-21 21:22 ` Jan Engelhardt
2008-03-21 21:43 ` Yinghai Lu
2008-03-22 0:04 ` Yinghai Lu
2008-03-22 12:04 ` Ingo Molnar
2008-03-22 16:59 ` Yinghai Lu
2008-03-25 11:00 ` Ingo Molnar
2008-03-21 22:49 ` Sami Farin
2008-03-22 20:48 ` Arjan van de Ven
2008-03-22 21:01 ` H. Peter Anvin [this message]
2008-03-22 21:21 ` Yinghai Lu
2008-03-22 21:21 ` Yinghai Lu
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