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 7bab8eae2341..a515eb0afdfb 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -27,6 +27,8 @@ static inline void flush_kernel_dcache_page(struct page *page) unsigned int nr_free_highpages(void); extern unsigned long totalhigh_pages; +void kmap_flush_unused(void); + #else /* CONFIG_HIGHMEM */ static inline unsigned int nr_free_highpages(void) { return 0; } @@ -49,10 +51,13 @@ static inline void *kmap_atomic(struct page *page, enum km_type idx) pagefault_disable(); return page_address(page); } +#define kmap_atomic_prot(page, idx, prot) kmap_atomic(page, idx) #define kunmap_atomic(addr, idx) do { pagefault_enable(); } while (0) #define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) + +#define kmap_flush_unused() do {} while(0) #endif #endif /* CONFIG_HIGHMEM */ |