diff options
Diffstat (limited to 'drivers/dax/kmem.c')
| -rw-r--r-- | drivers/dax/kmem.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index 369c698b7706..42ee360cf4e3 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -12,6 +12,7 @@ #include <linux/mm.h> #include <linux/mman.h> #include <linux/memory-tiers.h> +#include <linux/memory_hotplug.h> #include "dax-private.h" #include "bus.h" @@ -93,6 +94,7 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax) struct dax_kmem_data *data; struct memory_dev_type *mtype; int i, rc, mapped = 0; + mhp_t mhp_flags; int numa_node; int adist = MEMTIER_DEFAULT_DAX_ADISTANCE; @@ -179,12 +181,16 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax) */ res->flags = IORESOURCE_SYSTEM_RAM; + mhp_flags = MHP_NID_IS_MGID; + if (dev_dax->memmap_on_memory) + mhp_flags |= MHP_MEMMAP_ON_MEMORY; + /* * Ensure that future kexec'd kernels will not treat * this as RAM automatically. */ rc = add_memory_driver_managed(data->mgid, range.start, - range_len(&range), kmem_name, MHP_NID_IS_MGID); + range_len(&range), kmem_name, mhp_flags); if (rc) { dev_warn(dev, "mapping%d: %#llx-%#llx memory add failed\n", |