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author | Dan Williams <dan.j.williams@intel.com> | 2019-02-20 22:39:36 +0300 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2019-02-20 22:39:36 +0300 |
commit | 21c75763a3ae18679e5c4e2260aa9379b073566b (patch) | |
tree | e9a1881968a95aac7c70bcc1b6a3b448b46254e2 /drivers/dax/Kconfig | |
parent | 664525b2d84abca1074c9546654ae9689de8a818 (diff) | |
download | linux-21c75763a3ae18679e5c4e2260aa9379b073566b.tar.xz |
device-dax: Add a 'target_node' attribute
The target-node attribute is the Linux numa-node that a device-dax
instance may create when it is online. Prior to being online the
device's 'numa_node' property reflects the closest online cpu node which
is the typical expectation of a device 'numa_node'. Once it is online it
becomes its own distinct numa node, i.e. 'target_node'.
Export the 'target_node' property to give userspace tooling the ability
to predict the effective numa-node from a device-dax instance configured
to provide 'System RAM' capacity.
Cc: Vishal Verma <vishal.l.verma@intel.com>
Reported-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax/Kconfig')
0 files changed, 0 insertions, 0 deletions