Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
15#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
16#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
17#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
18
19#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
20
21#define __va(x) ((void *)((unsigned long)(x)))
22#define __pa(x) ((unsigned long)(x))
23
24#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
25
26#define phys_to_virt phys_to_virt
27static inline void *phys_to_virt(unsigned long address)
28{
29 return __va(address);
30}
31
32void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
33
34static inline void totalram_pages_inc(void)
35{
36}
37
38static inline void totalram_pages_add(long count)
39{
40}
41
42#endif