[linux-block.git] / include / linux / align.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_ALIGN_H
#define _LINUX_ALIGN_H

#include <linux/const.h>

/* @a is a power of 2 value */
#define ALIGN(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((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	/* _LINUX_ALIGN_H */
Commit	Line	Data
08c5188e AS	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 */