1 /* 2 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 and 6 * only version 2 as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program; if not, write to the Free Software 15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 16 * 02110-1301, USA. 17 */ 18 19 #ifndef _ASM_MMU_H 20 #define _ASM_MMU_H 21 22 #include <asm/vdso.h> 23 24 /* 25 * Architecture-specific state for a mm_struct. 26 * For the Hexagon Virtual Machine, it can be a copy 27 * of the pointer to the page table base. 28 */ 29 struct mm_context { 30 unsigned long long generation; 31 unsigned long ptbase; 32 struct hexagon_vdso *vdso; 33 }; 34 35 typedef struct mm_context mm_context_t; 36 37 #endif 38