[RFC PATCH 4/8] dax/kmem: add the user_numa opt-in (CAP_USER_NUMA) for private nodes

[Gregory Price]

Add the "user_numa" setting NODE_PRIVATE_CAP_USER_NUMA so userspace
may control residency on the node via mempolicy and migration.

Signed-off-by: Gregory Price <gourry@xxxxxxxxxx>
---
 drivers/dax/kmem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
index cf6cb927e5ed5..8023db23e2f99 100644
--- a/drivers/dax/kmem.c
+++ b/drivers/dax/kmem.c
@@ -629,10 +629,12 @@ static ssize_t name##_store(struct device *dev,				\
 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);
 
 /* 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,
 	NULL,
 };
 static const struct attribute_group dax_kmem_private_group = {
-- 
2.53.0-Meta