Messages in this thread | | | Date | Thu, 10 Jan 2013 08:53:18 -0800 | Subject | Re: [PATCH] Only reset e820 once, even with multiple memmap=exactmap params | From | Yinghai Lu <> |
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On Thu, Jan 10, 2013 at 6:26 AM, Vivek Goyal <vgoyal@redhat.com> wrote: > > This happens only in case of kdump and not kexec. In case of kdump > we want second kernel to use only selected memory areas. > > In fact this is one improvement area. Instead of using memmap= entries > in kdump case, we should probably modify the e820 map passed in > zero page and get rid of memmap= entries.
then how the kdump kernel get saved_max_pfn?
may have problem for read_oldmem with crashed kernel.
Yinghai
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