RE: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting
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- To: Xishi Qiu <qiuxishi@xxxxxxxxxx>
- Subject: RE: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting
- From: "Luck, Tony" <tony.luck@xxxxxxxxx>
- Date: Tue, 19 Feb 2013 21:38:52 +0000
- Accept-language: en-US
- Cc: "Fleming, Matt" <matt.fleming@xxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, Liujiang <jiang.liu@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-efi@xxxxxxxxxxxxxxx" <linux-efi@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, Hanjun Guo <guohanjun@xxxxxxxxxx>, WuJianguo <wujianguo@xxxxxxxxxx>
- In-reply-to: <5113450C.1080109@huawei.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com>
- Thread-index: AQHOBPnODCGg30S+yEmlbZnCpqVtiJiBxyIg
- Thread-topic: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting
> In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel=1024M-:600M"
Is this where the real problem begins? Should we insist that users provide crashkernel
parameters rounded to GRANULE boundaries?
-Tony
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