diff options
Diffstat (limited to 'include/linux/page_ext.h')
| -rw-r--r-- | include/linux/page_ext.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index 76c817162d2fb7..61e876e255e89c 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -93,6 +93,7 @@ static inline bool page_ext_iter_next_fast_possible(unsigned long next_pfn) #endif extern struct page_ext *page_ext_get(const struct page *page); +extern struct page_ext *page_ext_from_phys(phys_addr_t phys); extern void page_ext_put(struct page_ext *page_ext); extern struct page_ext *page_ext_lookup(unsigned long pfn); @@ -215,6 +216,11 @@ static inline struct page_ext *page_ext_get(const struct page *page) return NULL; } +static inline struct page_ext *page_ext_from_phys(phys_addr_t phys) +{ + return NULL; +} + static inline void page_ext_put(struct page_ext *page_ext) { } |