Messages in this thread | | | Date | Mon, 24 Aug 2015 16:41:07 -0700 | Subject | Re: [PATCH v4 4/4] Use 2GB memory block size on large-memory x86-64 systems | From | Yinghai Lu <> |
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On Mon, Aug 24, 2015 at 3:39 PM, Tony Luck <tony.luck@gmail.com> wrote: > On Mon, Aug 24, 2015 at 2:25 PM, Yinghai Lu <yinghai@kernel.org> wrote: > >> Can you boot with "debug ignore_loglevel" so we can see following print out >> for vmemmap? > > See attached. There are a few extra messages from my own debug printk() > calls. It seems that we successfully deal with node 0 from topology_init() > but die walking node 1. I see that the NODE_DATA limits for memory > on node 1 were from 1d70000 to 3a00000. But when we get into > register_mem_sect_under_node() we have rounded the start pfn down to > 1d00000 ... and we panic processing that range (which is in a hole in e820). > > We seem to die here: > > for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) { > int page_nid; > > page_nid = get_nid_for_pfn(pfn);
oh, no. register_mem_sect_under_node() is assuming: first section in the block is present and first page in that section is present.
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