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#ifndef _ASM_GENERIC_PAGE_H_
#define _ASM_GENERIC_PAGE_H_
/*
* asm-generic/page.h
* adapted from the Linux kernel's include/asm-generic/page.h
*
* Copyright (C) 2017, Red Hat Inc, Andrew Jones <drjones@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2.
*/
#include <linux/const.h>
#define PAGE_SHIFT 12
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#ifndef __ASSEMBLY__
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
#define __va(x) ((void *)((unsigned long) (x)))
#define __pa(x) ((unsigned long) (x))
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_GENERIC_PAGE_H_ */
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