Merge tag 'libnvdimm-for-6.9' of git:https://git.kernel.org/pub/scm/linux/k…

…ernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dave Jiang:

 - ACPI_NFIT Kconfig documetation fix

 - Make nvdimm_bus_type const

 - Make dax_bus_type const

 - remove SLAB_MEM_SPREAD flag usage in DAX

* tag 'libnvdimm-for-6.9' of git:https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: remove SLAB_MEM_SPREAD flag usage
  device-dax: make dax_bus_type const
  nvdimm: make nvdimm_bus_type const
  libnvdimm: Fix ACPI_NFIT in BLK_DEV_PMEM help

drivers/dax/bus.c

@@ -241,7 +241,7 @@ static void dax_bus_remove(struct device *dev)
  dax_drv->remove(dev_dax);
 }
 
-static struct bus_type dax_bus_type = {
+static const struct bus_type dax_bus_type = {
  .name = "dax",
  .uevent = dax_bus_uevent,
  .match = dax_bus_match,

drivers/nvdimm/Kconfig

@@ -24,7 +24,7 @@ config BLK_DEV_PMEM
  select ND_PFN if NVDIMM_PFN
  help
  Memory ranges for PMEM are described by either an NFIT
- (NVDIMM Firmware Interface Table, see CONFIG_NFIT_ACPI), a
+ (NVDIMM Firmware Interface Table, see CONFIG_ACPI_NFIT), a
  non-standard OEM-specific E820 memory type (type-12, see
  CONFIG_X86_PMEM_LEGACY), or it is manually specified by the
  'memmap=nn[KMG]!ss[KMG]' kernel command line (see

drivers/nvdimm/bus.c

@@ -271,7 +271,7 @@ EXPORT_SYMBOL_GPL(nvdimm_clear_poison);
 
 static int nvdimm_bus_match(struct device *dev, struct device_driver *drv);
 
-static struct bus_type nvdimm_bus_type = {
+static const struct bus_type nvdimm_bus_type = {
  .name = "nd",
  .uevent = nvdimm_bus_uevent,
  .match = nvdimm_bus_match,