43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _TOOLS_LINUX_MM_H
|
||
|
|
#define _TOOLS_LINUX_MM_H
|
||
|
|
|
||
|
|
#include <linux/mmzone.h>
|
||
|
|
#include <uapi/linux/const.h>
|
||
|
|
|
||
|
|
#define PAGE_SHIFT 12
|
||
|
|
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
|
||
|
|
#define PAGE_MASK (~(PAGE_SIZE - 1))
|
||
|
|
|
||
|
|
#define PHYS_ADDR_MAX (~(phys_addr_t)0)
|
||
|
|
|
||
|
|
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
|
||
|
|
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
|
||
|
|
#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
|
||
|
|
#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
|
||
|
|
|
||
|
|
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
|
||
|
|
|
||
|
|
#define __va(x) ((void *)((unsigned long)(x)))
|
||
|
|
#define __pa(x) ((unsigned long)(x))
|
||
|
|
|
||
|
|
#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
|
||
|
|
|
||
|
|
#define phys_to_virt phys_to_virt
|
||
|
|
static inline void *phys_to_virt(unsigned long address)
|
||
|
|
{
|
||
|
|
return __va(address);
|
||
|
|
}
|
||
|
|
|
||
|
|
void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
|
||
|
|
|
||
|
|
static inline void totalram_pages_inc(void)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void totalram_pages_add(long count)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|