linux/drivers/idle/Kconfig

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menu "Memory power savings"
config I7300_IDLE_IOAT_CHANNEL
bool
config I7300_IDLE
tristate "Intel chipset idle power saving driver"
select I7300_IDLE_IOAT_CHANNEL
depends on X86_64
help
Enable idle power savings with certain Intel server chipsets.
The chipset must have I/O AT support, such as the Intel 7300.
The power savings depends on the type and quantity of DRAM devices.
endmenu