Messages in this thread | | | Date | Tue, 25 Aug 2015 15:06:31 -0700 | Subject | Re: [PATCH v4 4/4] Use 2GB memory block size on large-memory x86-64 systems | From | Tony Luck <> |
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On Tue, Aug 25, 2015 at 12:01 PM, Yinghai Lu <yinghai@kernel.org> wrote: >> It does ... but this (attached) is simpler. Your patch and mine both >> allow the system to boot ... > > The version that fix with section_nr present checking may save couple thousands > calling to get_nid_for_pfn(). section size / page_size = 128M/4k = 32k
Actually saves about 1.2 million calls. Your patch wins :-)
Reported-and-tested-by: Tony Luck <tony.luck@intel.com>
-Tony
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