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1d18c47c CM |
1 | /* |
2 | * Based on arch/arm/include/asm/page.h | |
3 | * | |
4 | * Copyright (C) 1995-2003 Russell King | |
5 | * Copyright (C) 2012 ARM Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | #ifndef __ASM_PAGE_H | |
20 | #define __ASM_PAGE_H | |
21 | ||
b6531456 | 22 | #include <asm/page-def.h> |
2ff4439b | 23 | |
1d18c47c CM |
24 | #ifndef __ASSEMBLY__ |
25 | ||
3e275c64 | 26 | #include <linux/personality.h> /* for READ_IMPLIES_EXEC */ |
0f174025 | 27 | #include <asm/pgtable-types.h> |
1d18c47c CM |
28 | |
29 | extern void __cpu_clear_user_page(void *p, unsigned long user); | |
30 | extern void __cpu_copy_user_page(void *to, const void *from, | |
31 | unsigned long user); | |
32 | extern void copy_page(void *to, const void *from); | |
33 | extern void clear_page(void *to); | |
34 | ||
35 | #define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr) | |
36 | #define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr) | |
37 | ||
38 | typedef struct page *pgtable_t; | |
39 | ||
1d18c47c | 40 | extern int pfn_valid(unsigned long); |
1d18c47c CM |
41 | |
42 | #include <asm/memory.h> | |
43 | ||
44 | #endif /* !__ASSEMBLY__ */ | |
45 | ||
46 | #define VM_DATA_DEFAULT_FLAGS \ | |
47 | (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ | |
48 | VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | |
49 | ||
50 | #include <asm-generic/getorder.h> | |
51 | ||
52 | #endif |