When running "setup.sh config" (or setup.sh without
specify a mode - which defaults to config), do not
unload the contigmem driver and then reload it. Over
time, memory can get fragmented and contigmem will fail,
crashing the system.
But still check if the requested HUGEMEM matches what was
previously specified. If a different amount was requested,
unload contigmem as before and then reload with the new
amount.
This patch brings FreeBSD behavior in line with Linux. On
Linux, we do not release all of the hugepages and then
reallocate them.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I18cb6fd4bdc1e1da0382423455ebce58c13bee7a
Reviewed-on: https://review.gerrithub.io/412238
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
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