weird DirectMap2M accounting.
From: Dave Jones
Date: Wed Jan 06 2016 - 18:55:40 EST
I just spotted this in /proc/meminfo on an old Core2 machine with 4G.
DirectMap2M: 18446744073709543424 kB
Looks like we subtracted 8192 from 0 somewhere.
Should split_page_count() be checking that direct_pages_count > 0 ?
Dave
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