Expose the two kernel-NUMA capabilities as separate per-device sysfs opt-ins: 'demotion' (NODE_PRIVATE_CAP_DEMOTION) and 'numa_balancing' (NODE_PRIVATE_CAP_NUMA_BALANCING). demotion additionally requires reclaim, enforced at hotplug by node_private_register().
Signed-off-by: Gregory Price <[email protected]> --- drivers/dax/kmem.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index 3892ad44d4e46..1cb3384c003e3 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -631,12 +631,16 @@ static DEVICE_ATTR_RW(name) KMEM_PRIVATE_CAP_ATTR(reclaim, NODE_PRIVATE_CAP_RECLAIM); KMEM_PRIVATE_CAP_ATTR(user_numa, NODE_PRIVATE_CAP_USER_NUMA); KMEM_PRIVATE_CAP_ATTR(hotunplug, NODE_PRIVATE_CAP_HOTUNPLUG); +KMEM_PRIVATE_CAP_ATTR(demotion, NODE_PRIVATE_CAP_DEMOTION); +KMEM_PRIVATE_CAP_ATTR(numa_balancing, NODE_PRIVATE_CAP_NUMA_BALANCING); /* Per-service opt-ins. Visibility toggled by 'private' control */ static struct attribute *dax_kmem_private_attrs[] = { &dev_attr_reclaim.attr, &dev_attr_user_numa.attr, &dev_attr_hotunplug.attr, + &dev_attr_demotion.attr, + &dev_attr_numa_balancing.attr, NULL, }; static const struct attribute_group dax_kmem_private_group = { -- 2.53.0-Meta
