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
18extern void __cpu_clear_user_page(void *p, unsigned long user);
19extern void __cpu_copy_user_page(void *to, const void *from,
20				 unsigned long user);
21extern void copy_page(void *to, const void *from);
22extern void clear_page(void *to);
23
24#define clear_user_page(addr,vaddr,pg)  __cpu_clear_user_page(addr, vaddr)
25#define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
26
27typedef struct page *pgtable_t;
28
29extern int pfn_valid(unsigned long);
30
31#include <asm/memory.h>
32
33#endif /* !__ASSEMBLY__ */
34
35#define VM_DATA_DEFAULT_FLAGS \
36	(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
37	 VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
38
39#include <asm-generic/getorder.h>
40
41#endif

 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 <linux/types.h> /* for gfp_t */
17#include <asm/pgtable-types.h>
18
19struct page;
20struct vm_area_struct;
21
22extern void copy_page(void *to, const void *from);
23extern void clear_page(void *to);
24
25void copy_user_highpage(struct page *to, struct page *from,
26			unsigned long vaddr, struct vm_area_struct *vma);
27#define __HAVE_ARCH_COPY_USER_HIGHPAGE
28
29void copy_highpage(struct page *to, struct page *from);
30#define __HAVE_ARCH_COPY_HIGHPAGE
31
32struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma,
33						unsigned long vaddr);
34#define vma_alloc_zeroed_movable_folio vma_alloc_zeroed_movable_folio
35
36void tag_clear_highpage(struct page *to);
37#define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
38
39#define clear_user_page(page, vaddr, pg)	clear_page(page)
40#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
41
42typedef struct page *pgtable_t;
43
44int pfn_is_map_memory(unsigned long pfn);
45
46#include <asm/memory.h>
47
48#endif /* !__ASSEMBLY__ */
49
50#define VM_DATA_DEFAULT_FLAGS	(VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED)
 
 
51
52#include <asm-generic/getorder.h>
53
54#endif