/* 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 #ifndef __ASSEMBLY__ #include /* for READ_IMPLIES_EXEC */ #include extern void __cpu_clear_user_page(void *p, unsigned long user); extern void __cpu_copy_user_page(void *to, const void *from, unsigned long user); extern void copy_page(void *to, const void *from); extern void clear_page(void *to); #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE #define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr) #define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr) typedef struct page *pgtable_t; extern int pfn_valid(unsigned long); #include #endif /* !__ASSEMBLY__ */ #define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC #include #endif