diff options
| author | Cong Wang <amwang@redhat.com> | 2012-06-22 11:17:53 -0400 |
|---|---|---|
| committer | Cong Wang <amwang@redhat.com> | 2012-07-24 03:27:27 -0400 |
| commit | 1285e4c8a751a7aedeb6bd35d2c08794e088b908 (patch) | |
| tree | 3643d3d90e0d67e60de5067a525ddedc1fcd6852 /include/linux | |
| parent | 61d06c83fca553c3318b8059de68479dac0b51b0 (diff) | |
highmem: remove the deprecated form of kmap_atomic
Signed-off-by: Cong Wang <amwang@redhat.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/highmem.h | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index d3999b4e26cc..774fa47b3b5b 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h | |||
| @@ -110,54 +110,15 @@ static inline void kmap_atomic_idx_pop(void) | |||
| 110 | #endif | 110 | #endif |
| 111 | 111 | ||
| 112 | /* | 112 | /* |
| 113 | * NOTE: | ||
| 114 | * kmap_atomic() and kunmap_atomic() with two arguments are deprecated. | ||
| 115 | * We only keep them for backward compatibility, any usage of them | ||
| 116 | * are now warned. | ||
| 117 | */ | ||
| 118 | |||
| 119 | #define PASTE(a, b) a ## b | ||
| 120 | #define PASTE2(a, b) PASTE(a, b) | ||
| 121 | |||
| 122 | #define NARG_(_2, _1, n, ...) n | ||
| 123 | #define NARG(...) NARG_(__VA_ARGS__, 2, 1, :) | ||
| 124 | |||
| 125 | static inline void __deprecated *kmap_atomic_deprecated(struct page *page, | ||
| 126 | enum km_type km) | ||
| 127 | { | ||
| 128 | return kmap_atomic(page); | ||
| 129 | } | ||
| 130 | |||
| 131 | #define kmap_atomic1(...) kmap_atomic(__VA_ARGS__) | ||
| 132 | #define kmap_atomic2(...) kmap_atomic_deprecated(__VA_ARGS__) | ||
| 133 | #define kmap_atomic(...) PASTE2(kmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__)) | ||
| 134 | |||
| 135 | static inline void __deprecated __kunmap_atomic_deprecated(void *addr, | ||
| 136 | enum km_type km) | ||
| 137 | { | ||
| 138 | __kunmap_atomic(addr); | ||
| 139 | } | ||
| 140 | |||
| 141 | /* | ||
| 142 | * Prevent people trying to call kunmap_atomic() as if it were kunmap() | 113 | * Prevent people trying to call kunmap_atomic() as if it were kunmap() |
| 143 | * kunmap_atomic() should get the return value of kmap_atomic, not the page. | 114 | * kunmap_atomic() should get the return value of kmap_atomic, not the page. |
| 144 | */ | 115 | */ |
| 145 | #define kunmap_atomic_deprecated(addr, km) \ | 116 | #define kunmap_atomic(addr) \ |
| 146 | do { \ | ||
| 147 | BUILD_BUG_ON(__same_type((addr), struct page *)); \ | ||
| 148 | __kunmap_atomic_deprecated(addr, km); \ | ||
| 149 | } while (0) | ||
| 150 | |||
| 151 | #define kunmap_atomic_withcheck(addr) \ | ||
| 152 | do { \ | 117 | do { \ |
| 153 | BUILD_BUG_ON(__same_type((addr), struct page *)); \ | 118 | BUILD_BUG_ON(__same_type((addr), struct page *)); \ |
| 154 | __kunmap_atomic(addr); \ | 119 | __kunmap_atomic(addr); \ |
| 155 | } while (0) | 120 | } while (0) |
| 156 | 121 | ||
| 157 | #define kunmap_atomic1(...) kunmap_atomic_withcheck(__VA_ARGS__) | ||
| 158 | #define kunmap_atomic2(...) kunmap_atomic_deprecated(__VA_ARGS__) | ||
| 159 | #define kunmap_atomic(...) PASTE2(kunmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__)) | ||
| 160 | /**** End of C pre-processor tricks for deprecated macros ****/ | ||
| 161 | 122 | ||
| 162 | /* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */ | 123 | /* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */ |
| 163 | #ifndef clear_user_highpage | 124 | #ifndef clear_user_highpage |
