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From: Bernhard Walle <bwalle@suse.de>
To: "Yinghai Lu" <yhlu.kernel@gmail.com>
Cc: x86@kernel.org, kexec@lists.infradead.org,
	linux-kernel@vger.kernel.org, vgoyal@redhat.com
Subject: Re: [PATCH 3/3] Limit E820 map when a user-defined memory map is specified
Date: Sun, 22 Jun 2008 21:56:35 +0200	[thread overview]
Message-ID: <20080622215635.7a0ebaae@kopernikus.site> (raw)
In-Reply-To: <86802c440806201334s30cbc685se44326812841fdd2@mail.gmail.com>

* "Yinghai Lu" <yhlu.kernel@gmail.com> [2008-06-20 13:34]:
> 
> any problem that you encountered without this patch?

Sorry, forgot to answer that question.

Yes, if you use mem=3G and take a dump, kexec builds the ELF core
headers for the full memory size, which means that the dump is as large
as the physical memory of the machine is, which doesn't make sense.



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

  parent reply	other threads:[~2008-06-22 19:56 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-20 15:56 Introduce userspace interface for Firmware-provided memory map Bernhard Walle
2008-06-20 15:56 ` [PATCH 1/3] Introduce /proc/firmware_mem Bernhard Walle
2008-06-20 15:56 ` [PATCH 2/3] Use /proc/firmware_mem for x86 (e820) Bernhard Walle
2008-06-24 18:28   ` Pavel Machek
2008-06-26  8:21     ` Bernhard Walle
2008-06-20 15:57 ` [PATCH 3/3] Limit E820 map when a user-defined memory map is specified Bernhard Walle
2008-06-20 19:45   ` Vivek Goyal
2008-06-20 20:34   ` Yinghai Lu
2008-06-22 19:46     ` Bernhard Walle
2008-06-22 19:56     ` Bernhard Walle [this message]
2008-06-22 20:11       ` Yinghai Lu
2008-06-24 14:07         ` Bernhard Walle
2008-06-20 15:58 ` Introduce userspace interface for Firmware-provided memory map Bernhard Walle
2008-06-20 19:42 ` Vivek Goyal
2008-06-20 20:35   ` H. Peter Anvin
2008-06-22 19:59     ` Bernhard Walle
  -- strict thread matches above, loose matches on Subject: below --
2008-06-24 14:35 Limit E820 map when specifying mem parameter Bernhard Walle
2008-06-24 14:35 ` [PATCH 3/3] Limit E820 map when a user-defined memory map is specified Bernhard Walle
2008-06-24 20:03   ` Yinghai Lu
2008-06-25 12:02 Limit E820 map when specifying mem parameter Bernhard Walle
2008-06-25 12:02 ` [PATCH 3/3] Limit E820 map when a user-defined memory map is specified Bernhard Walle
2008-06-25 16:01   ` Yinghai Lu
2008-06-25 16:03     ` Bernhard Walle
2008-06-25 16:58       ` Yinghai Lu
2008-06-25 19:39         ` Bernhard Walle

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