diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/highmem.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 1586beac00fb..b8334a2df0d8 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -14,8 +14,6 @@ extern struct page *highmem_start_page; /* declarations for linux/mm/highmem.c */ unsigned int nr_free_highpages(void); -extern void check_highmem_ptes(void); - #else /* CONFIG_HIGHMEM */ static inline unsigned int nr_free_highpages(void) { return 0; } @@ -30,6 +28,13 @@ static inline void *kmap(struct page *page) { return page_address(page); } #endif /* CONFIG_HIGHMEM */ +#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_HIGHMEM) +extern void check_highmem_ptes(void); +#else +static inline void check_highmem_ptes(void) +{} +#endif + /* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */ static inline void clear_user_highpage(struct page *page, unsigned long vaddr) { |