Merge tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

[linux.git] / drivers / nvdimm / nd.h

diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 1b9955651379a8f3803b42d2b49cc65fd8c57481..e89af4b2d8e9aa5d3fe8ff52a066bee604fb5779 100644 (file)
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -375,6 +375,10 @@ unsigned int pmem_sector_size(struct nd_namespace_common *ndns);
 void nvdimm_badblocks_populate(struct nd_region *nd_region,
                struct badblocks *bb, const struct resource *res);
 #if IS_ENABLED(CONFIG_ND_CLAIM)
+
+/* max struct page size independent of kernel config */
+#define MAX_STRUCT_PAGE_SIZE 64
+
 int nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap);
 int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio);
 void devm_nsio_disable(struct device *dev, struct nd_namespace_io *nsio);