[PATCH V5 4/5] Add module of calculating start_pfn and end_pfn in each dumpfile

[Baoquan He]

On 11/24/14 at 03:28pm, "Zhou, Wenjian/周文剑" wrote:
> On 11/24/2014 03:18 PM, Baoquan He wrote:
> >On 11/06/14 at 04:49pm, Zhou Wenjian wrote:
> >>+	while (*cur_splitblock_num<  splitblock->num&&  pfn_needed>  0) {
> >>+		pfn_needed -= read_from_splitblock_table(splitblock_value_offset);
> >>+		splitblock_value_offset += splitblock->entry_size;
> >>+		++*cur_splitblock_num;
> >>+	}
> >
> >Hi Wenjian,
> >
> >If splitblock->page_per_splitblock is 1G, and the system ram is 4G. Now
> >I set 8 dumpfiles to store the splitted vmcore, say dump0...7. Then
> >dump0/1/2/3 will store 1G of data, dump4/5/6/7 will be empty. So is it
> >OK?
> >
> >Can we do anything to avoid this case or give some note to let people not
> >be panikked by empty dump files?
> >
> >Thanks
> >Baoquan
> >
> >
> 
> Hello Baoquan,
> 
> Actually, we have thought about it and talked at
> http://lists.infradead.org/pipermail/kexec/2014-November/012880.html .

OK, thanks for telling.


> 
> -- 
> Thanks
> Zhou Wenjian
> 
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