18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Based on arch/arm/include/asm/page.h 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 1995-2003 Russell King 68c2ecf20Sopenharmony_ci * Copyright (C) 2012 ARM Ltd. 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci#ifndef __ASM_PAGE_H 98c2ecf20Sopenharmony_ci#define __ASM_PAGE_H 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <asm/page-def.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#ifndef __ASSEMBLY__ 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#include <linux/personality.h> /* for READ_IMPLIES_EXEC */ 168c2ecf20Sopenharmony_ci#include <asm/pgtable-types.h> 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_cistruct page; 198c2ecf20Sopenharmony_cistruct vm_area_struct; 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ciextern void copy_page(void *to, const void *from); 228c2ecf20Sopenharmony_ciextern void clear_page(void *to); 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_civoid copy_user_highpage(struct page *to, struct page *from, 258c2ecf20Sopenharmony_ci unsigned long vaddr, struct vm_area_struct *vma); 268c2ecf20Sopenharmony_ci#define __HAVE_ARCH_COPY_USER_HIGHPAGE 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_civoid copy_highpage(struct page *to, struct page *from); 298c2ecf20Sopenharmony_ci#define __HAVE_ARCH_COPY_HIGHPAGE 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ 328c2ecf20Sopenharmony_ci alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) 338c2ecf20Sopenharmony_ci#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci#define clear_user_page(page, vaddr, pg) clear_page(page) 368c2ecf20Sopenharmony_ci#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_citypedef struct page *pgtable_t; 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ciextern int pfn_valid(unsigned long); 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci#include <asm/memory.h> 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ci#endif /* !__ASSEMBLY__ */ 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci#define VM_DATA_DEFAULT_FLAGS (VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED) 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ci#include <asm-generic/getorder.h> 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci#endif 51