diff options
Diffstat (limited to 'drivers/dax/Kconfig')
| -rw-r--r-- | drivers/dax/Kconfig | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/dax/Kconfig b/drivers/dax/Kconfig new file mode 100644 index 000000000000..cedab7572de3 --- /dev/null +++ b/drivers/dax/Kconfig @@ -0,0 +1,26 @@ +menuconfig DEV_DAX + tristate "DAX: direct access to differentiated memory" + default m if NVDIMM_DAX + depends on TRANSPARENT_HUGEPAGE + help + Support raw access to differentiated (persistence, bandwidth, + latency...) memory via an mmap(2) capable character + device. Platform firmware or a device driver may identify a + platform memory resource that is differentiated from the + baseline memory pool. Mappings of a /dev/daxX.Y device impose + restrictions that make the mapping behavior deterministic. + +if DEV_DAX + +config DEV_DAX_PMEM + tristate "PMEM DAX: direct access to persistent memory" + depends on NVDIMM_DAX + default DEV_DAX + help + Support raw access to persistent memory. Note that this + driver consumes memory ranges allocated and exported by the + libnvdimm sub-system. + + Say Y if unsure + +endif |