xref: /linux/tools/include/linux/mm.h (revision 7d8ed162) 
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 
16 #define __va(x) ((void *)((unsigned long)(x)))
17 #define __pa(x) ((unsigned long)(x))
18 
19 #define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
20 
21 #define phys_to_virt phys_to_virt
phys_to_virt(unsigned long address)22 static inline void *phys_to_virt(unsigned long address)
23 {
24 	return __va(address);
25 }
26 
27 void reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid);
28 
totalram_pages_inc(void)29 static inline void totalram_pages_inc(void)
30 {
31 }
32 
totalram_pages_add(long count)33 static inline void totalram_pages_add(long count)
34 {
35 }
36 
early_pfn_to_nid(unsigned long pfn)37 static inline int early_pfn_to_nid(unsigned long pfn)
38 {
39 	return 0;
40 }
41 
42 #endif
43