From: Atsushi Kumagai <kumagai-atsushi@xxxxxxxxxxxxxxxxx>
Subject: [RFC PATCH 4/4] makedumpfile: Add main routine of cyclic processing.
Date: Thu, 31 May 2012 13:56:54 +0900
> + /*
> + * Write pages and bitmap cyclically.
> + */
> + for (info->split_start_pfn = 0, info->split_end_pfn = PFN_CYCLIC;
> + info->split_end_pfn <= info->max_mapnr;
> + info->split_start_pfn += PFN_CYCLIC, info->split_end_pfn += PFN_CYCLIC) {
The cyclic processing is orthogonal to the splitting feature. The
feature of splitting a single vmcore into multiple dumpfiles is an
important feature on large system to reduce dump generation time. They
should exist together.
Thanks.
HATAYAMA, Daisuke
