Messages in this thread | | | Date | Mon, 24 Aug 2015 10:46:46 -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 Fri, Aug 21, 2015 at 4:54 PM, Tony Luck <tony.luck@gmail.com> wrote: > On Fri, Aug 21, 2015 at 1:50 PM, Yinghai Lu <yinghai@kernel.org> wrote: > > Still stuff going on that I don't understand here. I increased the amount of > mirrored memory in this machine which moved max_pfn to 0x7560000 > and probe_memory_block_size() picked 512MB as the memory_block_size, > which seemed plausible. > > But my kernel still crashed during boot with this value. :-( > Forcing the block size to 128M made the system boot. > > Maybe all the holes in the e820 map matter too (specifically the > alignment of the holes)?
Then, what does the E820 look like?
Yinghai
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