From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Amerigo Wang <amwang@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org, tony.luck@intel.com,
linux-ia64@vger.kernel.org, linux-mm@kvack.org,
Neil Horman <nhorman@redhat.com>,
Andi Kleen <andi@firstfloor.org>,
akpm@linux-foundation.org, bernhard.walle@gmx.de,
Fenghua Yu <fenghua.yu@intel.com>, Ingo Molnar <mingo@elte.hu>,
Anton Vorontsov <avorontsov@ru.mvista.com>
Subject: Re: [Patch 8/8] kexec: allow to shrink reserved memory
Date: Fri, 21 Aug 2009 09:34:52 +0900 [thread overview]
Message-ID: <20090821093452.ead96b2d.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <4A8D144C.5050005@redhat.com>
On Thu, 20 Aug 2009 17:15:56 +0800
Amerigo Wang <amwang@redhat.com> wrote:
> > The, problem is whether memmap is there or not. That's all.
> > plz see init sequence and check there are memmap.
> > If memory-for-crash is obtained via bootmem,
> > Don't you try to free memory hole ?
> >
>
> Hi,
>
> It looks like that mem_map has 'struct page' for the reserved memory, I
> checked my "early_node_map[] active PFN ranges" output, the reserved
> memory area for crash kernel is right in one range. Am I missing
> something here?
>
> I don't know why that oops comes out, maybe because of no PTE for thoese
> pages?
>
Hmm ? Could you show me the code you use ?
Thanks,
-Kame
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next prev parent reply other threads:[~2009-08-21 15:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090812081731.5757.25254.sendpatchset@localhost.localdomain>
[not found] ` <20090812081906.5757.39417.sendpatchset@localhost.localdomain>
[not found] ` <m1bpmk8l1g.fsf@fess.ebiederm.org>
2009-08-13 3:32 ` Amerigo Wang
2009-08-13 6:18 ` Eric W. Biederman
2009-08-13 8:23 ` Amerigo Wang
2009-08-14 22:17 ` Eric W. Biederman
2009-08-17 9:50 ` Amerigo Wang
2009-08-18 0:29 ` KAMEZAWA Hiroyuki
2009-08-18 6:31 ` Amerigo Wang
2009-08-18 8:25 ` KAMEZAWA Hiroyuki
2009-08-18 8:51 ` Amerigo Wang
2009-08-18 10:35 ` Amerigo Wang
2009-08-18 23:57 ` KAMEZAWA Hiroyuki
2009-08-19 2:41 ` Amerigo Wang
2009-08-19 8:13 ` KAMEZAWA Hiroyuki
2009-08-19 10:47 ` Amerigo Wang
2009-08-20 9:15 ` Amerigo Wang
2009-08-21 0:34 ` KAMEZAWA Hiroyuki [this message]
2009-08-21 1:59 ` Amerigo Wang
2009-08-21 2:03 ` KAMEZAWA Hiroyuki
2009-08-21 2:47 ` Amerigo Wang
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