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From: Vivek Goyal <vgoyal@redhat.com>
To: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	lisa.mitchell@hp.com, kumagai-atsushi@mxc.nes.nec.co.jp,
	ebiederm@xmission.com, cpw@sgi.com
Subject: Re: [PATCH 04/13] vmcore: introduce types for objects copied in 2nd kernel
Date: Tue, 19 Feb 2013 18:07:17 -0500	[thread overview]
Message-ID: <20130219230717.GG6039@redhat.com> (raw)
In-Reply-To: <20130219.010631.336702748.d.hatayama@jp.fujitsu.com>

On Tue, Feb 19, 2013 at 01:06:31AM +0900, HATAYAMA Daisuke wrote:

[..]
> This sounds strange to me. There has not been contents to be fetched
> from current kenrel so far. So, object with MEM_TYPE_OLDMEM seems more
> normal than without. Should we prepare special type for objects in 2nd
> kernel?

Creating a flag for memory in current kernel and if flag is not set, then
assuming memory comes from old kernel is fine too.

Thanks
Vivek

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  reply	other threads:[~2013-02-19 23:07 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-14 10:11 [PATCH 00/13] kdump, vmcore: support mmap() on /proc/vmcore HATAYAMA Daisuke
2013-02-14 10:11 ` [PATCH 01/13] vmcore: allocate buffer for ELF headers on page-size alignment HATAYAMA Daisuke
2013-02-15 15:01   ` Vivek Goyal
2013-02-14 10:11 ` [PATCH 02/13] vmcore: round up buffer size of ELF headers by PAGE_SIZE HATAYAMA Daisuke
2013-02-15 15:18   ` Vivek Goyal
2013-02-18 15:58     ` HATAYAMA Daisuke
2013-02-14 10:11 ` [PATCH 03/13] vmcore: fill unused part of buffer for ELF headers with 0 HATAYAMA Daisuke
2013-02-14 10:12 ` [PATCH 04/13] vmcore: introduce types for objects copied in 2nd kernel HATAYAMA Daisuke
2013-02-15 15:28   ` Vivek Goyal
2013-02-18 16:06     ` HATAYAMA Daisuke
2013-02-19 23:07       ` Vivek Goyal [this message]
2013-02-14 10:12 ` [PATCH 05/13] vmcore: modify ELF32 code according to new type HATAYAMA Daisuke
2013-02-15 15:30   ` Vivek Goyal
2013-02-18 16:11     ` HATAYAMA Daisuke
2013-02-14 10:12 ` [PATCH 06/13] vmcore: modify vmcore clean-up function to free buffer on 2nd kernel HATAYAMA Daisuke
2013-02-15 15:32   ` Vivek Goyal
2013-02-14 10:12 ` [PATCH 07/13] vmcore: modify read_vmcore() to read " HATAYAMA Daisuke
2013-02-15 15:51   ` Vivek Goyal
2013-02-14 10:12 ` [PATCH 08/13] vmcore: remove unused helper function HATAYAMA Daisuke
2013-02-15 15:52   ` Vivek Goyal
2013-02-14 10:12 ` [PATCH 09/13] vmcore: copy ELF note segments in buffer on 2nd kernel HATAYAMA Daisuke
2013-02-15 16:53   ` Vivek Goyal
2013-02-18 17:02     ` HATAYAMA Daisuke
2013-02-19 23:05       ` Vivek Goyal
2013-02-14 10:12 ` [PATCH 10/13] vmcore: round-up offset of vmcore object in page-size boundary HATAYAMA Daisuke
2013-02-14 10:12 ` [PATCH 11/13] vmcore: count holes generated by round-up operation for vmcore size HATAYAMA Daisuke
2013-02-14 10:12 ` [PATCH 12/13] vmcore: copy non page-size aligned head and tail pages in 2nd kernel HATAYAMA Daisuke
2013-02-14 10:12 ` [PATCH 13/13] vmcore: introduce mmap_vmcore() HATAYAMA Daisuke
2013-02-15  3:57 ` [PATCH 00/13] kdump, vmcore: support mmap() on /proc/vmcore Atsushi Kumagai
2013-02-18  0:16   ` Hatayama, Daisuke
2013-03-27  5:51 ` makedumpfile mmap() benchmark Jingbai Ma
2013-03-27  6:23   ` HATAYAMA Daisuke
2013-03-27  6:35     ` Jingbai Ma

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