1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Based on arch/arm/include/asm/page.h
5 * Copyright (C) 1995-2003 Russell King
6 * Copyright (C) 2012 ARM Ltd.
11 #include <asm/page-def.h>
15 #include <linux/personality.h> /* for READ_IMPLIES_EXEC */
16 #include <asm/pgtable-types.h>
18 extern void __cpu_clear_user_page(void *p, unsigned long user);
19 extern void __cpu_copy_user_page(void *to, const void *from,
21 extern void copy_page(void *to, const void *from);
22 extern void clear_page(void *to);
24 #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
25 alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
26 #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
28 #define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr)
29 #define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr)
31 typedef struct page *pgtable_t;
33 extern int pfn_valid(unsigned long);
35 #include <asm/memory.h>
37 #endif /* !__ASSEMBLY__ */
39 #define VM_DATA_DEFAULT_FLAGS \
40 (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
41 VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
43 #include <asm-generic/getorder.h>