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Diffstat (limited to 'include/mach/vm_advice.h')
| -rw-r--r-- | include/mach/vm_advice.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/mach/vm_advice.h b/include/mach/vm_advice.h new file mode 100644 index 00000000..47b43a62 --- /dev/null +++ b/include/mach/vm_advice.h @@ -0,0 +1,52 @@ +/* + * Mach Operating System + * Copyright (c) 2012 Free Software Foundation. + * + * 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. + * + * 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, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +/* + * File: mach/vm_advice.h + * Author: Maksym Planeta + * + * Virtual memory map advice definitions. + * + */ + +#ifndef _MACH_VM_ADVICE_H_ +#define _MACH_VM_ADVICE_H_ + +/* + * Types defined: + * + * vm_advice_t Enumeration of valid advice codes. + * + */ + +typedef enum { + VM_ADVICE_DEFAULT, + VM_ADVICE_RANDOM, + VM_ADVICE_SEQUENTIAL, + VM_ADVICE_NORMAL, + VM_ADVICE_KEEP +} vm_advice_t; + +#define VM_ADVICE_MAX_READAHEAD 2 + +struct vm_advice_entry { + vm_offset_t read_before; + vm_offset_t read_after; +}; + +#endif /* _MACH_VM_ADVICE_H_ */ |