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 19 struct page; 20 struct vm_area_struct; 21 22 extern void copy_page(void *to, const void *from); 23 extern void clear_page(void *to); 24 25 void 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 29 void copy_highpage(struct page *to, struct page *from); 30 #define __HAVE_ARCH_COPY_HIGHPAGE 31 32 struct 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 36 void 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 42 typedef struct page *pgtable_t; 43 44 int pfn_valid(unsigned long pfn); 45 int pfn_is_map_memory(unsigned long pfn); 46 47 #include <asm/memory.h> 48 49 #endif /* !__ASSEMBLY__ */ 50 51 #define VM_DATA_DEFAULT_FLAGS (VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED) 52 53 #include <asm-generic/getorder.h> 54 55 #endif 56