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highmem: remove the deprecated form of kmap_atomic 

Signed-off-by: Cong Wang <amwang@redhat.com>
This commit is contained in:
Cong Wang 2012-06-22 23:17:53 +08:00
parent 61d06c83fc
commit 1285e4c8a7
1 changed files with 1 additions and 40 deletions
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41
include/linux/highmem.h
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@ -109,55 +109,16 @@ static inline void kmap_atomic_idx_pop(void)
#endif
/*
* NOTE:
* kmap_atomic() and kunmap_atomic() with two arguments are deprecated.
* We only keep them for backward compatibility, any usage of them
* are now warned.
*/
#define PASTE(a, b) a ## b
#define PASTE2(a, b) PASTE(a, b)
#define NARG_(_2, _1, n, ...) n
#define NARG(...) NARG_(__VA_ARGS__, 2, 1, :)
static inline void __deprecated *kmap_atomic_deprecated(struct page *page,
enum km_type km)
{
return kmap_atomic(page);
}
#define kmap_atomic1(...) kmap_atomic(__VA_ARGS__)
#define kmap_atomic2(...) kmap_atomic_deprecated(__VA_ARGS__)
#define kmap_atomic(...) PASTE2(kmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__))
static inline void __deprecated __kunmap_atomic_deprecated(void *addr,
enum km_type km)
{
__kunmap_atomic(addr);
}
/*
* Prevent people trying to call kunmap_atomic() as if it were kunmap()
* kunmap_atomic() should get the return value of kmap_atomic, not the page.
*/
#define kunmap_atomic_deprecated(addr, km) \
do { \
BUILD_BUG_ON(__same_type((addr), struct page *)); \
__kunmap_atomic_deprecated(addr, km); \
} while (0)
#define kunmap_atomic_withcheck(addr) \
#define kunmap_atomic(addr) \
do { \
BUILD_BUG_ON(__same_type((addr), struct page *)); \
__kunmap_atomic(addr); \
} while (0)
#define kunmap_atomic1(...) kunmap_atomic_withcheck(__VA_ARGS__)
#define kunmap_atomic2(...) kunmap_atomic_deprecated(__VA_ARGS__)
#define kunmap_atomic(...) PASTE2(kunmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__))
/**** End of C pre-processor tricks for deprecated macros ****/
/* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */
#ifndef clear_user_highpage