From: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
To: Atsushi Kumagai <kumagai-atsushi@mxc.nes.nec.co.jp>
Cc: "kexec@lists.infradead.org" <kexec@lists.infradead.org>,
"vgoyal@redhat.com" <vgoyal@redhat.com>
Subject: Re: [PATCH 2/2] Write out a whole part of the 1st bitmap before entering cyclic process
Date: Thu, 31 Oct 2013 13:28:01 +0900 [thread overview]
Message-ID: <5271DC51.6040200@jp.fujitsu.com> (raw)
In-Reply-To: <0910DD04CBD6DE4193FCF86B9C00BE971BA5FD@BPXM01GP.gisp.nec.co.jp>
(2013/10/30 19:52), Atsushi Kumagai wrote:
> (2013/10/24 15:52), HATAYAMA Daisuke wrote:
>> Currently, 1st bitmap is created during cyclic process, but the
>> information represented by the 1st bitmap, originally present memory,
>> is still available from ELF program header table, so we don't need to
>> keep the 1st bitmap even in cyclic process.
>>
>> Supported is a conversion from ELF to kdump-compressed format only,
>> not from ELF to ELF.
>>
>> Signed-off-by: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
>> ---
>> makedumpfile.c | 224 +++++++++++++++++++++++++++++++++++++++++++++++++++-----
>> 1 file changed, 202 insertions(+), 22 deletions(-)
>>
>> diff --git a/makedumpfile.c b/makedumpfile.c
>> index 4b6c0ed..7440c97 100644
>> --- a/makedumpfile.c
>> +++ b/makedumpfile.c
>> @@ -3055,7 +3055,8 @@ out:
>> * bufsize_cyclic is used to allocate 1st and 2nd bitmap,
>> * so it should be truncated to the half of free_memory.
>> */
>> - info->bufsize_cyclic = free_memory / 2;
>> + if (info->flag_elf_dumpfile)
>> + info->bufsize_cyclic = free_memory / 2;
>> }
>> }
>
> I think here should be changed like below:
>
> if (info->flag_elf_dumpfile)
> info->bufsize_cyclic = free_memory / 2;
> else
> info->bufsize_cyclic = free_memory;
>
Thanks. I'll fix this.
--
Thanks.
HATAYAMA, Daisuke
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prev parent reply other threads:[~2013-10-31 4:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-24 6:51 [PATCH 0/2] makedumpfile: write out a whole part of the 1st bitmap before entering cyclic process HATAYAMA Daisuke
2013-10-24 6:52 ` [PATCH 1/2] Use memset() to improve the 1st bitmap initialization performance HATAYAMA Daisuke
2013-10-24 6:52 ` [PATCH 2/2] Write out a whole part of the 1st bitmap before entering cyclic process HATAYAMA Daisuke
2013-10-30 10:52 ` Atsushi Kumagai
2013-10-31 4:28 ` HATAYAMA Daisuke [this message]
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