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From: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
To: Cliff Wickman <cpw@sgi.com>
Cc: kexec@lists.infradead.org, kumagai-atsushi@mxc.nes.nec.co.jp
Subject: Re: A few patches to consider
Date: Fri, 30 Aug 2013 10:33:09 +0900	[thread overview]
Message-ID: <521FF655.8000909@jp.fujitsu.com> (raw)
In-Reply-To: <E1VEnuJ-0000Jl-CC@eag09.americas.sgi.com>

(2013/08/29 7:08), Cliff Wickman wrote:
> From: Cliff Wickman <cpw@sgi.com>
>
> I am submitting 6 patches that I have found helpful in speeding the dump
> process or clarifying the progress report.
> They are not a series, and should not be interdependent.  But if you
> find any dependencies I apply them in this order:
> [PATCH] makedumpfile: reverse -c and -p if using snappy compression
> [PATCH] makedumpfile: use non-cyclic when possible
> [PATCH] makedumpfile: shorten cyclic exclude-unnecessary passes
> [PATCH] makedumpfile: shorten cyclic unnecessary-page scans
> [PATCH] makedumpfile: show needed memory
> [PATCH] makedumpfile: search for a debug vmlinux
>
> The last one (search for a debug vmlinux) is useful in identifying huge
> pages with the PG_head/PG-tail flags.  There was a patch from Petr Tesarik
> that enables that huge page filtering. I don't think you are taking that one
> as-is, but are reworking it. Seems like Hatayama-san was doing that work.

No. If I have good memory, Kumagai-san was investigating how to integrate
huge page filtering into current memory types currently supported by
makedumpfile.

-- 
Thanks.
HATAYAMA, Daisuke


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  reply	other threads:[~2013-08-30  1:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-28 22:08 A few patches to consider Cliff Wickman
2013-08-30  1:33 ` HATAYAMA Daisuke [this message]
2013-09-18  3:00   ` Atsushi Kumagai
2013-09-19  2:12     ` HATAYAMA Daisuke
2013-09-19  5:00       ` Atsushi Kumagai
2013-09-20 20:52         ` Petr Tesarik

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