mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 06:15:08 +07:00
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
|
/*
|
||
|
|
* Based on arch/arm/include/asm/page.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 1995-2003 Russell King
|
||
|
|
* Copyright (C) 2012 ARM Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_PAGE_H
|
||
|
|
#define __ASM_PAGE_H
|
||
|
|
|
||
|
|
/* PAGE_SHIFT determines the page size */
|
||
|
|
#ifdef CONFIG_ARM64_64K_PAGES
|
||
|
|
#define PAGE_SHIFT 16
|
||
|
|
#else
|
||
|
|
#define PAGE_SHIFT 12
|
||
|
|
#endif
|
||
|
|
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
|
||
|
|
#define PAGE_MASK (~(PAGE_SIZE-1))
|
||
|
|
|
||
|
|
/* We do define AT_SYSINFO_EHDR but don't use the gate mechanism */
|
||
|
|
#define __HAVE_ARCH_GATE_AREA 1
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
#ifdef CONFIG_ARM64_64K_PAGES
|
||
|
|
#include <asm/pgtable-2level-types.h>
|
||
|
|
#else
|
||
|
|
#include <asm/pgtable-3level-types.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void __cpu_clear_user_page(void *p, unsigned long user);
|
||
|
|
extern void __cpu_copy_user_page(void *to, const void *from,
|
||
|
|
unsigned long user);
|
||
|
|
extern void copy_page(void *to, const void *from);
|
||
|
|
extern void clear_page(void *to);
|
||
|
|
|
||
|
|
#define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr)
|
||
|
|
#define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr)
|
||
|
|
|
||
|
|
typedef struct page *pgtable_t;
|
||
|
|
|
||
|
|
#ifdef CONFIG_HAVE_ARCH_PFN_VALID
|
||
|
|
extern int pfn_valid(unsigned long);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <asm/memory.h>
|
||
|
|
|
||
|
|
#endif /* !__ASSEMBLY__ */
|
||
|
|
|
||
|
|
#define VM_DATA_DEFAULT_FLAGS \
|
||
|
|
(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
|
||
|
|
VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
|
||
|
|
|
||
|
|
#include <asm-generic/getorder.h>
|
||
|
|
|
||
|
|
#endif
|