4.3BSD - /usr/src/sys/h/vadvise.h

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)vadvise.h	7.1 (Berkeley) 6/4/86
   7:  */
   8: 
   9: /*
  10:  * Parameters to vadvise() to tell system of particular paging
  11:  * behaviour:
  12:  *	VA_NORM		Normal strategy
  13:  *	VA_ANOM		Sampling page behaviour is not a win, don't bother
  14:  *			Suitable during GCs in LISP, or sequential or random
  15:  *			page referencing.
  16:  *	VA_SEQL		Sequential behaviour expected.
  17:  *	VA_FLUSH	Invalidate all page table entries.
  18:  */
  19: #define VA_NORM 0
  20: #define VA_ANOM 1
  21: #define VA_SEQL 2
  22: #define VA_FLUSH 3

Defined macros

Usage of this include