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-rw-r--r--include/linux/dax.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h
index df97b7af7e2c..b3518559f0da 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -91,18 +91,17 @@ bool dax_write_cache_enabled(struct dax_device *dax_dev);
/*
* We use lowest available bit in exceptional entry for locking, one bit for
- * the entry size (PMD) and two more to tell us if the entry is a huge zero
- * page (HZP) or an empty entry that is just used for locking. In total four
- * special bits.
+ * the entry size (PMD) and two more to tell us if the entry is a zero page or
+ * an empty entry that is just used for locking. In total four special bits.
*
- * If the PMD bit isn't set the entry has size PAGE_SIZE, and if the HZP and
- * EMPTY bits aren't set the entry is a normal DAX entry with a filesystem
+ * If the PMD bit isn't set the entry has size PAGE_SIZE, and if the ZERO_PAGE
+ * and EMPTY bits aren't set the entry is a normal DAX entry with a filesystem
* block allocation.
*/
#define RADIX_DAX_SHIFT (RADIX_TREE_EXCEPTIONAL_SHIFT + 4)
#define RADIX_DAX_ENTRY_LOCK (1 << RADIX_TREE_EXCEPTIONAL_SHIFT)
#define RADIX_DAX_PMD (1 << (RADIX_TREE_EXCEPTIONAL_SHIFT + 1))
-#define RADIX_DAX_HZP (1 << (RADIX_TREE_EXCEPTIONAL_SHIFT + 2))
+#define RADIX_DAX_ZERO_PAGE (1 << (RADIX_TREE_EXCEPTIONAL_SHIFT + 2))
#define RADIX_DAX_EMPTY (1 << (RADIX_TREE_EXCEPTIONAL_SHIFT + 3))
static inline unsigned long dax_radix_sector(void *entry)
@@ -153,7 +152,6 @@ static inline unsigned int dax_radix_order(void *entry)
return 0;
}
#endif
-int dax_pfn_mkwrite(struct vm_fault *vmf);
static inline bool dax_mapping(struct address_space *mapping)
{