On Thu, Jan 10, 2013 at 6:26 AM, Vivek Goyal <vgoyal at 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
