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-rw-r--r--include/linux/highmem.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 945b58d8a57b..9c559c670299 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -32,7 +32,7 @@ static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
#include <asm/kmap_types.h>
#ifdef CONFIG_HIGHMEM
-extern void *kmap_atomic_high(struct page *page);
+extern void *kmap_atomic_high_prot(struct page *page, pgprot_t prot);
extern void kunmap_atomic_high(void *kvaddr);
#include <asm/highmem.h>
@@ -77,14 +77,15 @@ static inline void kunmap(struct page *page)
* be used in IRQ contexts, so in some (very limited) cases we need
* it.
*/
-static inline void *kmap_atomic(struct page *page)
+static inline void *kmap_atomic_prot(struct page *page, pgprot_t prot)
{
preempt_disable();
pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
- return kmap_atomic_high(page);
+ return kmap_atomic_high_prot(page, prot);
}
+#define kmap_atomic(page) kmap_atomic_prot(page, kmap_prot)
/* declarations for linux/mm/highmem.c */
unsigned int nr_free_highpages(void);