diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm_types.h | 5 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 199f98be6f9c..3b8475007734 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -104,7 +104,10 @@ struct page { }; /* See page-flags.h for PAGE_MAPPING_FLAGS */ struct address_space *mapping; - pgoff_t index; /* Our offset within mapping. */ + union { + pgoff_t index; /* Our offset within mapping. */ + unsigned long share; /* share count for fsdax */ + }; /** * @private: Mapping-private opaque data. * Usually used for buffer_heads if PagePrivate. diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index e42c55a7e012..9aec9fd8c50b 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -638,7 +638,7 @@ PAGEFLAG_FALSE(VmemmapSelfHosted, vmemmap_self_hosted) * Different with flags above, this flag is used only for fsdax mode. It * indicates that this page->mapping is now under reflink case. */ -#define PAGE_MAPPING_DAX_COW 0x1 +#define PAGE_MAPPING_DAX_SHARED ((void *)0x1) static __always_inline bool folio_mapping_flags(struct folio *folio) { |