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: Tue, 24 Jun 2008 16:07:29 +0200 [thread overview]
Message-ID: <20080624160729.2bead69c@halley.suse.de> (raw)
In-Reply-To: <86802c440806221311q5a65cdb6me24b45de5657359c@mail.gmail.com>
* Yinghai Lu [2008-06-22 13:11]:
>
> On Sun, Jun 22, 2008 at 12:56 PM, Bernhard Walle <bwalle@suse.de> wrote:
> > * "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.
>
> can we use e820_update_range instead? so e820_setup_gap still can get
> correct value?
Yes, good idea. Patch is in the queue ...
Bernhard
--
Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development
next prev parent reply other threads:[~2008-06-24 14:07 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
2008-06-22 20:11 ` Yinghai Lu
2008-06-24 14:07 ` Bernhard Walle [this message]
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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