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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /* |
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2 | 3 | * Based on arch/arm/include/asm/page.h |
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3 | 4 | * |
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4 | 5 | * Copyright (C) 1995-2003 Russell King |
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5 | 6 | * Copyright (C) 2012 ARM Ltd. |
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6 | | - * |
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7 | | - * This program is free software; you can redistribute it and/or modify |
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8 | | - * it under the terms of the GNU General Public License version 2 as |
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9 | | - * published by the Free Software Foundation. |
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10 | | - * |
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11 | | - * This program is distributed in the hope that it will be useful, |
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12 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | | - * GNU General Public License for more details. |
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15 | | - * |
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16 | | - * You should have received a copy of the GNU General Public License |
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17 | | - * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 | 7 | */ |
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19 | 8 | #ifndef __ASM_PAGE_H |
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20 | 9 | #define __ASM_PAGE_H |
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.. | .. |
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24 | 13 | #ifndef __ASSEMBLY__ |
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25 | 14 | |
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26 | 15 | #include <linux/personality.h> /* for READ_IMPLIES_EXEC */ |
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| 16 | +#include <linux/types.h> /* for gfp_t */ |
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27 | 17 | #include <asm/pgtable-types.h> |
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28 | 18 | |
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29 | | -extern void __cpu_clear_user_page(void *p, unsigned long user); |
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30 | | -extern void __cpu_copy_user_page(void *to, const void *from, |
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31 | | - unsigned long user); |
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| 19 | +struct page; |
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| 20 | +struct vm_area_struct; |
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| 21 | + |
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32 | 22 | extern void copy_page(void *to, const void *from); |
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33 | 23 | extern void clear_page(void *to); |
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34 | 24 | |
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35 | | -#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ |
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36 | | - alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) |
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37 | | -#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE |
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| 25 | +void copy_user_highpage(struct page *to, struct page *from, |
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| 26 | + unsigned long vaddr, struct vm_area_struct *vma); |
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| 27 | +#define __HAVE_ARCH_COPY_USER_HIGHPAGE |
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38 | 28 | |
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39 | | -#define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr) |
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40 | | -#define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr) |
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| 29 | +void copy_highpage(struct page *to, struct page *from); |
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| 30 | +#define __HAVE_ARCH_COPY_HIGHPAGE |
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| 31 | + |
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| 32 | +struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, |
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| 33 | + unsigned long vaddr); |
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| 34 | +#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE |
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| 35 | + |
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| 36 | +void tag_clear_highpage(struct page *to); |
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| 37 | +#define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE |
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| 38 | + |
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| 39 | +#define clear_user_page(page, vaddr, pg) clear_page(page) |
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| 40 | +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) |
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41 | 41 | |
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42 | 42 | typedef struct page *pgtable_t; |
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43 | 43 | |
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44 | | -#ifdef CONFIG_HAVE_ARCH_PFN_VALID |
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45 | 44 | extern int pfn_valid(unsigned long); |
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46 | | -#endif |
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47 | 45 | |
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48 | 46 | #include <asm/memory.h> |
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49 | 47 | |
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50 | 48 | #endif /* !__ASSEMBLY__ */ |
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51 | 49 | |
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52 | | -#define VM_DATA_DEFAULT_FLAGS \ |
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53 | | - (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ |
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54 | | - VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) |
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| 50 | +#define VM_DATA_DEFAULT_FLAGS (VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED) |
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55 | 51 | |
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56 | 52 | #include <asm-generic/getorder.h> |
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57 | 53 | |
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