diff options
Diffstat (limited to 'include/linux/highmem.h')
-rw-r--r-- | include/linux/highmem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 85ce7ef9a51..fd7d12daa94 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -24,11 +24,15 @@ static inline void flush_kernel_dcache_page(struct page *page) /* declarations for linux/mm/highmem.c */ unsigned int nr_free_highpages(void); +extern unsigned long totalhigh_pages; #else /* CONFIG_HIGHMEM */ static inline unsigned int nr_free_highpages(void) { return 0; } +#define totalhigh_pages 0 + +#ifndef ARCH_HAS_KMAP static inline void *kmap(struct page *page) { might_sleep(); @@ -41,6 +45,7 @@ static inline void *kmap(struct page *page) #define kunmap_atomic(addr, idx) do { } while (0) #define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) +#endif #endif /* CONFIG_HIGHMEM */ |