On Thu, Jun 25, 2015 at 7:21 PM, Toshi Kani <toshi.kani@xxxxxx> wrote: > On Thu, 2015-06-25 at 05:37 -0400, Dan Williams wrote: >> From: Toshi Kani <toshi.kani@xxxxxx> >> >> Add support of sysfs 'numa_node' to I/O-related NVDIMM devices >> under /sys/bus/nd/devices, regionN, namespaceN.0, and bttN. >> When bttN is not set up, its numa_node returns -1 (NUMA_NO_NODE). >> >> An example of numa_node values on a 2-socket system with a single >> NVDIMM range on each socket is shown below. >> /sys/bus/nd/devices >> |-- btt0/numa_node:-1 >> |-- btt1/numa_node:0 >> |-- namespace0.0/numa_node:0 >> |-- namespace1.0/numa_node:1 >> |-- region0/numa_node:0 >> |-- region1/numa_node:1 >> >> These numa_node files are then linked under the block class of >> their device names. >> /sys/class/block/pmem0/device/numa_node:0 >> /sys/class/block/pmem0s/device/numa_node:0 >> /sys/class/block/pmem1/device/numa_node:1 >> >> This enables numactl(8) to accept 'block:' and 'file:' paths of >> pmem and btt devices as shown in the examples below. >> numactl --preferred block:pmem0 --show >> numactl --preferred file:/dev/pmem0s --show >> >> Signed-off-by: Toshi Kani <toshi.kani@xxxxxx> >> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> > > Can you please update the commit log with the following? It reflects > the changes in sysfs btt files. Done, thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
