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Diffstat (limited to 'drivers/nvdimm/pmem.h')
-rw-r--r--drivers/nvdimm/pmem.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h
index a64ebc78b5df..59cfe13ea8a8 100644
--- a/drivers/nvdimm/pmem.h
+++ b/drivers/nvdimm/pmem.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NVDIMM_PMEM_H__
#define __NVDIMM_PMEM_H__
+#include <linux/page-flags.h>
#include <linux/badblocks.h>
#include <linux/types.h>
#include <linux/pfn_t.h>
@@ -27,4 +28,16 @@ struct pmem_device {
long __pmem_direct_access(struct pmem_device *pmem, pgoff_t pgoff,
long nr_pages, void **kaddr, pfn_t *pfn);
+
+#ifdef CONFIG_MEMORY_FAILURE
+static inline bool test_and_clear_pmem_poison(struct page *page)
+{
+ return TestClearPageHWPoison(page);
+}
+#else
+static inline bool test_and_clear_pmem_poison(struct page *page)
+{
+ return false;
+}
+#endif
#endif /* __NVDIMM_PMEM_H__ */