Re: A few patches to consider

HATAYAMA Daisuke
2013-08-30T01:33:47Z

(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