align.h (552B)
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 */