arch/arm64/include/asm/page.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Based on arch/arm/include/asm/page.h
   4  *
   5  * Copyright (C) 1995-2003 Russell King
   6  * Copyright (C) 2012 ARM Ltd.
   7  */
   8 #ifndef __ASM_PAGE_H
   9 #define __ASM_PAGE_H
  10
  11 #include <asm/page-def.h>
  12
  13 #ifndef __ASSEMBLY__
  14
  15 #include <linux/personality.h> /* for READ_IMPLIES_EXEC */
  16 #include <linux/types.h> /* for gfp_t */
  17 #include <asm/pgtable-types.h>
  18
  19 struct page;
  20 struct vm_area_struct;
  21
  22 extern void copy_page(void *to, const void *from);
  23 extern void clear_page(void *to);
  24
  25 void copy_user_highpage(struct page *to, struct page *from,
  26                         unsigned long vaddr, struct vm_area_struct *vma);
  27 #define __HAVE_ARCH_COPY_USER_HIGHPAGE
  28
  29 void copy_highpage(struct page *to, struct page *from);
  30 #define __HAVE_ARCH_COPY_HIGHPAGE
  31
  32 struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma,
  33                                                 unsigned long vaddr);
  34 #define vma_alloc_zeroed_movable_folio vma_alloc_zeroed_movable_folio
  35
  36 void tag_clear_highpage(struct page *to);
  37 #define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
  38
  39 #define clear_user_page(page, vaddr, pg)        clear_page(page)
  40 #define copy_user_page(to, from, vaddr, pg)     copy_page(to, from)
  41
  42 typedef struct page *pgtable_t;
  43
  44 int pfn_is_map_memory(unsigned long pfn);
  45
  46 #include <asm/memory.h>
  47
  48 #endif /* !__ASSEMBLY__ */
  49
  50 #define VM_DATA_DEFAULT_FLAGS   (VM_DATA_FLAGS_TSK_EXEC | VM_MTE_ALLOWED)
  51
  52 #include <asm-generic/getorder.h>
  53
  54 #endif