page.h (1365B)
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 page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, 33 unsigned long vaddr); 34#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE 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