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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_ALIGN_H | |
3 | #define _LINUX_ALIGN_H | |
4 | ||
5 | #include <linux/const.h> | |
6 | ||
7 | /* @a is a power of 2 value */ | |
8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | |
9 | #define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) | |
10 | #define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask)) | |
11 | #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) | |
12 | #define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a))) | |
13 | #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) | |
14 | ||
15 | #endif /* _LINUX_ALIGN_H */ |