1 /*- 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vadvise.h 8.1 (Berkeley) 06/02/93 8 */ 9 10 /* 11 * Parameters to vadvise() to tell system of particular paging 12 * behaviour: 13 * VA_NORM Normal strategy 14 * VA_ANOM Sampling page behaviour is not a win, don't bother 15 * Suitable during GCs in LISP, or sequential or random 16 * page referencing. 17 * VA_SEQL Sequential behaviour expected. 18 * VA_FLUSH Invalidate all page table entries. 19 */ 20 #define VA_NORM 0 21 #define VA_ANOM 1 22 #define VA_SEQL 2 23 #define VA_FLUSH 3 24