| /* | |
| * Based on arch/arm/include/asm/page.h | |
| * | |
| * Copyright (C) 1995-2003 Russell King | |
| * Copyright (C) 2012 ARM Ltd. | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| */ | |
| #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; | |
| #ifdef CONFIG_HAVE_ARCH_PFN_VALID | |
| extern int pfn_valid(unsigned long); | |
| #endif | |
| #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 |