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/* 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 <asm/pgtable-types.h> 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 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 <asm/memory.h> #endif /* !__ASSEMBLY__ */ #define VM_DATA_DEFAULT_FLAGS \ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include <asm-generic/getorder.h> #endif