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