diff options
Diffstat (limited to 'arch/openrisc/include/asm/page.h')
| -rw-r--r-- | arch/openrisc/include/asm/page.h | 45 |
1 files changed, 10 insertions, 35 deletions
diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h index 108906f991d6..85797f94d1d7 100644 --- a/arch/openrisc/include/asm/page.h +++ b/arch/openrisc/include/asm/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * @@ -9,26 +10,12 @@ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __ASM_OPENRISC_PAGE_H #define __ASM_OPENRISC_PAGE_H - -/* PAGE_SHIFT determines the page size */ - -#define PAGE_SHIFT 13 -#ifdef __ASSEMBLY__ -#define PAGE_SIZE (1 << PAGE_SHIFT) -#else -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#endif -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> #define PAGE_OFFSET 0xc0000000 #define KERNELBASE PAGE_OFFSET @@ -38,10 +25,7 @@ */ #include <asm/setup.h> -#ifndef __ASSEMBLY__ - -#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) -#define free_user_page(page, addr) free_page(addr) +#ifndef __ASSEMBLER__ #define clear_page(page) memset((page), 0, PAGE_SIZE) #define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) @@ -71,34 +55,25 @@ typedef struct page *pgtable_t; #define __pgd(x) ((pgd_t) { (x) }) #define __pgprot(x) ((pgprot_t) { (x) }) -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) -#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) -#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) +static inline unsigned long virt_to_pfn(const void *kaddr) +{ + return __pa(kaddr) >> PAGE_SHIFT; +} #define virt_to_page(addr) \ (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) -#define page_to_virt(page) \ - ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) - -#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) - -#define pfn_valid(pfn) ((pfn) < max_mapnr) #define virt_addr_valid(kaddr) (pfn_valid(virt_to_pfn(kaddr))) -#endif /* __ASSEMBLY__ */ - - -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - +#endif /* __ASSEMBLER__ */ #include <asm-generic/memory_model.h> #include <asm-generic/getorder.h> |