1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Based on arch/arm/include/asm/page.h
4 *
5 * Copyright (C) 1995-2003 Russell King
6 * Copyright (C) 2012 ARM Ltd.
7 */
8#ifndef __ASM_PAGE_H
9#define __ASM_PAGE_H
10
11#include <asm/page-def.h>
12
13#ifndef __ASSEMBLY__
14
15#include <linux/personality.h> /* for READ_IMPLIES_EXEC */
16#include <asm/pgtable-types.h>
17
18struct page;
19struct vm_area_struct;
20
21extern void copy_page(void *to, const void *from);
22extern void clear_page(void *to);
23
24void copy_user_highpage(struct page *to, struct page *from,
25			unsigned long vaddr, struct vm_area_struct *vma);
26#define __HAVE_ARCH_COPY_USER_HIGHPAGE
27
28void copy_highpage(struct page *to, struct page *from);
29#define __HAVE_ARCH_COPY_HIGHPAGE
30
31#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
32	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
33#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
34
35#define clear_user_page(page, vaddr, pg)	clear_page(page)
36#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
37
38typedef struct page *pgtable_t;
39
40extern int pfn_valid(unsigned long);
41
42#include <asm/memory.h>
43
44#endif /* !__ASSEMBLY__ */
45
46#define VM_DATA_DEFAULT_FLAGS	(VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED)
47
48#include <asm-generic/getorder.h>
49
50#endif
51