| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Based on arch/arm/include/asm/page.h |
| * |
| * Copyright (C) 1995-2003 Russell King |
| * Copyright (C) 2012 ARM Ltd. |
| */ |
| #ifndef __ASM_PAGE_H |
| #define __ASM_PAGE_H |
| |
| #include <asm/page-def.h> |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/personality.h> /* for READ_IMPLIES_EXEC */ |
| #include <linux/types.h> /* for gfp_t */ |
| #include <asm/pgtable-types.h> |
| |
| struct page; |
| struct vm_area_struct; |
| |
| extern void copy_page(void *to, const void *from); |
| extern void clear_page(void *to); |
| |
| void copy_user_highpage(struct page *to, struct page *from, |
| unsigned long vaddr, struct vm_area_struct *vma); |
| #define __HAVE_ARCH_COPY_USER_HIGHPAGE |
| |
| void copy_highpage(struct page *to, struct page *from); |
| #define __HAVE_ARCH_COPY_HIGHPAGE |
| |
| struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, |
| unsigned long vaddr); |
| #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE |
| |
| void tag_clear_highpage(struct page *to); |
| #define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE |
| |
| #define clear_user_page(page, vaddr, pg) clear_page(page) |
| #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) |
| |
| typedef struct page *pgtable_t; |
| |
| extern int pfn_valid(unsigned long); |
| |
| #include <asm/memory.h> |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #define VM_DATA_DEFAULT_FLAGS (VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED) |
| |
| #include <asm-generic/getorder.h> |
| |
| #endif |