| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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) |