at v2.6.12-rc2 33 lines 1.5 kB view raw
1/* 2 * linux/include/asm-arm/arch-versatile/vmalloc.h 3 * 4 * Copyright (C) 2003 ARM Limited 5 * Copyright (C) 2000 Russell King. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22/* 23 * Just any arbitrary offset to the start of the vmalloc VM area: the 24 * current 8MB value just means that there will be a 8MB "hole" after the 25 * physical memory until the kernel virtual memory starts. That means that 26 * any out-of-bounds memory accesses will hopefully be caught. 27 * The vmalloc() routines leaves a hole of 4kB between each vmalloced 28 * area for the same reason. ;) 29 */ 30#define VMALLOC_OFFSET (8*1024*1024) 31#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) 32#define VMALLOC_VMADDR(x) ((unsigned long)(x)) 33#define VMALLOC_END (PAGE_OFFSET + 0x18000000)