Comment # 14
on bug 75719
from smoki
(In reply to comment #8) > So if CPU usage is drastically increased by this commit (or rather this > merge), IMHO that points to a bug somewhere else, but triggered by this > merge; possibly in radeon / TTM caching setup or in the x86 PAT memory > region tracking code. > Seems like that is the case... VM_PFNMAP usage instead of VM_MIXEDMAP triggers that i now need 'nopat' boot option it is also workaround... So only 'nopat' option work here good with VM_PFNMAP or like before VM_MIXEDMAP is good with PAT... VM_PFNMAP with PAT here is really unusable for gl videos :).
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