1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _TOOLS_LINUX_MM_H 3#define _TOOLS_LINUX_MM_H 4 5#include <linux/mmzone.h> 6#include <uapi/linux/const.h> 7 8#define PAGE_SHIFT 12 9#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) 10#define PAGE_MASK (~(PAGE_SIZE - 1)) 11 12#define PHYS_ADDR_MAX (~(phys_addr_t)0) 13 14#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) 15#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) 16 17#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) 18 19#define __va(x) ((void *)((unsigned long)(x))) 20#define __pa(x) ((unsigned long)(x)) 21 22#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE)) 23 24#define phys_to_virt phys_to_virt 25static inline void *phys_to_virt(unsigned long address) 26{ 27 return __va(address); 28} 29 30void reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid); 31 32static inline void totalram_pages_inc(void) 33{ 34} 35 36static inline void totalram_pages_add(long count) 37{ 38} 39 40static inline int early_pfn_to_nid(unsigned long pfn) 41{ 42 return 0; 43} 44 45#endif 46