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-rw-r--r--arch/m32r/include/asm/page.h90
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h
deleted file mode 100644
index fe4e38b394d3..000000000000
--- a/arch/m32r/include/asm/page.h
+++ /dev/null
@@ -1,90 +0,0 @@
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_M32R_PAGE_H
3#define _ASM_M32R_PAGE_H
4
5#include <linux/const.h>
6
7/* PAGE_SHIFT determines the page size */
8#define PAGE_SHIFT 12
9#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
10#define PAGE_MASK (~(PAGE_SIZE-1))
11
12#ifndef __ASSEMBLY__
13
14extern void clear_page(void *to);
15extern void copy_page(void *to, void *from);
16
17#define clear_user_page(page, vaddr, pg) clear_page(page)
18#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
19
20#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
21 alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
22#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
23
24/*
25 * These are used to make use of C type-checking..
26 */
27typedef struct { unsigned long pte; } pte_t;
28typedef struct { unsigned long pmd; } pmd_t;
29typedef struct { unsigned long pgd; } pgd_t;
30#define pte_val(x) ((x).pte)
31#define PTE_MASK PAGE_MASK
32
33typedef struct { unsigned long pgprot; } pgprot_t;
34typedef struct page *pgtable_t;
35
36#define pmd_val(x) ((x).pmd)
37#define pgd_val(x) ((x).pgd)
38#define pgprot_val(x) ((x).pgprot)
39
40#define __pte(x) ((pte_t) { (x) } )
41#define __pmd(x) ((pmd_t) { (x) } )
42#define __pgd(x) ((pgd_t) { (x) } )
43#define __pgprot(x) ((pgprot_t) { (x) } )
44
45#endif /* !__ASSEMBLY__ */
46
47/*
48 * This handles the memory map.. We could make this a config
49 * option, but too many people screw it up, and too few need
50 * it.
51 *
52 * A __PAGE_OFFSET of 0xC0000000 means that the kernel has
53 * a virtual address space of one gigabyte, which limits the
54 * amount of physical memory you can use to about 950MB.
55 *
56 * If you want more physical memory than this then see the CONFIG_HIGHMEM4G
57 * and CONFIG_HIGHMEM64G options in the kernel configuration.
58 */
59
60#define __MEMORY_START CONFIG_MEMORY_START
61#define __MEMORY_SIZE CONFIG_MEMORY_SIZE
62
63#ifdef CONFIG_MMU
64#define __PAGE_OFFSET (0x80000000)
65#else
66#define __PAGE_OFFSET (0x00000000)
67#endif
68
69#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
70#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
71#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET))
72
73#ifndef CONFIG_DISCONTIGMEM
74#define PFN_BASE (CONFIG_MEMORY_START >> PAGE_SHIFT)
75#define ARCH_PFN_OFFSET PFN_BASE
76#define pfn_valid(pfn) (((pfn) - PFN_BASE) < max_mapnr)
77#endif /* !CONFIG_DISCONTIGMEM */
78
79#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
80#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
81
82#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
83 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC )
84
85#define devmem_is_allowed(x) 1
86
87#include <asm-generic/memory_model.h>
88#include <asm-generic/getorder.h>
89
90#endif /* _ASM_M32R_PAGE_H */