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- #ifndef _LINUX_ALIGN_H
- #define _LINUX_ALIGN_H
- #include "const.h"
- #define ALIGN_UP(x, a) __ALIGN_KERNEL((x), (a))
- #define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
- #define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
- #define PTR_ALIGN(p, a) ((typeof(p))ALIGN_UP((unsigned long)(p), (a)))
- #define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a)))
- #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
- #endif
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