diff options
| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2007-05-01 22:33:07 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-04 17:59:08 -0700 |
| commit | 254f9c5cd2d3b41e64f59df816630f7ca5548a8a (patch) | |
| tree | f6e212c09a80e41ba228525869a269c75cbfc75a | |
| parent | f5456e040eaac7eb9545d49c38984af2047699be (diff) | |
Convert non-highmem kmap_atomic() to static inline function
Convert kmap_atomic() in the non-highmem case from a macro to a static
inline function, for better type-checking and the ability to pass void
pointers instead of struct page pointers.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/highmem.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 645d440807c2..7bab8eae2341 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -42,8 +42,14 @@ static inline void *kmap(struct page *page) #define kunmap(page) do { (void) (page); } while (0) -#define kmap_atomic(page, idx) \ - ({ pagefault_disable(); page_address(page); }) +#include <asm/kmap_types.h> + +static inline void *kmap_atomic(struct page *page, enum km_type idx) +{ + pagefault_disable(); + return page_address(page); +} + #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) |