(2013/08/29 7:08), Cliff Wickman wrote: > From: Cliff Wickman <cpw at 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
