diff options
Diffstat (limited to 'drivers/dax/Kconfig')
| -rw-r--r-- | drivers/dax/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/dax/Kconfig b/drivers/dax/Kconfig index 6fc96f03920e..5ef624fe3934 100644 --- a/drivers/dax/Kconfig +++ b/drivers/dax/Kconfig @@ -32,6 +32,22 @@ config DEV_DAX_PMEM Say M if unsure +config DEV_DAX_KMEM + tristate "KMEM DAX: volatile-use of persistent memory" + default DEV_DAX + depends on DEV_DAX + depends on MEMORY_HOTPLUG # for add_memory() and friends + help + Support access to persistent memory as if it were RAM. This + allows easier use of persistent memory by unmodified + applications. + + To use this feature, a DAX device must be unbound from the + device_dax driver (PMEM DAX) and bound to this kmem driver + on each boot. + + Say N if unsure. + config DEV_DAX_PMEM_COMPAT tristate "PMEM DAX: support the deprecated /sys/class/dax interface" depends on DEV_DAX_PMEM |